{
  "type": "project",
  "input": {
    "type": "extend",
    "input": {
      "type": "group",
      "input": {
        "type": "filter",
        "input": {
          "type": "project",
          "input": {
            "type": "extend",
            "input": {
              "type": "group",
              "input": {
                "type": "bgp",
                "patterns": [
                  {
                    "type": "pattern",
                    "termType": "Quad",
                    "subject": {
                      "termType": "Variable",
                      "value": "g_0"
                    },
                    "predicate": {
                      "termType": "Variable",
                      "value": "p"
                    },
                    "object": {
                      "termType": "Variable",
                      "value": "o"
                    },
                    "graph": {
                      "termType": "DefaultGraph",
                      "value": ""
                    }
                  }
                ]
              },
              "variables": [
                {
                  "termType": "Variable",
                  "value": "p"
                }
              ],
              "aggregates": [
                {
                  "type": "expression",
                  "subType": "aggregate",
                  "aggregator": "group_concat",
                  "expression": {
                    "type": "expression",
                    "subType": "term",
                    "term": {
                      "termType": "Variable",
                      "value": "o"
                    }
                  },
                  "separator": " ",
                  "distinct": false,
                  "variable": {
                    "termType": "Variable",
                    "value": "var0"
                  }
                }
              ]
            },
            "variable": {
              "termType": "Variable",
              "value": "g"
            },
            "expression": {
              "type": "expression",
              "subType": "term",
              "term": {
                "termType": "Variable",
                "value": "var0"
              }
            }
          },
          "variables": [
            {
              "termType": "Variable",
              "value": "p"
            },
            {
              "termType": "Variable",
              "value": "g"
            }
          ]
        },
        "expression": {
          "type": "expression",
          "subType": "operator",
          "operator": "||",
          "args": [
            {
              "type": "expression",
              "subType": "operator",
              "operator": "&&",
              "args": [
                {
                  "type": "expression",
                  "subType": "operator",
                  "operator": "=",
                  "args": [
                    {
                      "type": "expression",
                      "subType": "term",
                      "term": {
                        "termType": "Variable",
                        "value": "p"
                      }
                    },
                    {
                      "type": "expression",
                      "subType": "term",
                      "term": {
                        "termType": "NamedNode",
                        "value": "http://www.example.org/p1"
                      }
                    }
                  ]
                },
                {
                  "type": "expression",
                  "subType": "operator",
                  "operator": "||",
                  "args": [
                    {
                      "type": "expression",
                      "subType": "operator",
                      "operator": "=",
                      "args": [
                        {
                          "type": "expression",
                          "subType": "term",
                          "term": {
                            "termType": "Variable",
                            "value": "g"
                          }
                        },
                        {
                          "type": "expression",
                          "subType": "term",
                          "term": {
                            "termType": "Literal",
                            "value": "1 22",
                            "datatype": {
                              "termType": "NamedNode",
                              "value": "http://www.w3.org/2001/XMLSchema#string"
                            }
                          }
                        }
                      ]
                    },
                    {
                      "type": "expression",
                      "subType": "operator",
                      "operator": "=",
                      "args": [
                        {
                          "type": "expression",
                          "subType": "term",
                          "term": {
                            "termType": "Variable",
                            "value": "g"
                          }
                        },
                        {
                          "type": "expression",
                          "subType": "term",
                          "term": {
                            "termType": "Literal",
                            "value": "22 1",
                            "datatype": {
                              "termType": "NamedNode",
                              "value": "http://www.w3.org/2001/XMLSchema#string"
                            }
                          }
                        }
                      ]
                    }
                  ]
                }
              ]
            },
            {
              "type": "expression",
              "subType": "operator",
              "operator": "&&",
              "args": [
                {
                  "type": "expression",
                  "subType": "operator",
                  "operator": "=",
                  "args": [
                    {
                      "type": "expression",
                      "subType": "term",
                      "term": {
                        "termType": "Variable",
                        "value": "p"
                      }
                    },
                    {
                      "type": "expression",
                      "subType": "term",
                      "term": {
                        "termType": "NamedNode",
                        "value": "http://www.example.org/p2"
                      }
                    }
                  ]
                },
                {
                  "type": "expression",
                  "subType": "operator",
                  "operator": "||",
                  "args": [
                    {
                      "type": "expression",
                      "subType": "operator",
                      "operator": "||",
                      "args": [
                        {
                          "type": "expression",
                          "subType": "operator",
                          "operator": "||",
                          "args": [
                            {
                              "type": "expression",
                              "subType": "operator",
                              "operator": "||",
                              "args": [
                                {
                                  "type": "expression",
                                  "subType": "operator",
                                  "operator": "||",
                                  "args": [
                                    {
                                      "type": "expression",
                                      "subType": "operator",
                                      "operator": "=",
                                      "args": [
                                        {
                                          "type": "expression",
                                          "subType": "term",
                                          "term": {
                                            "termType": "Variable",
                                            "value": "g"
                                          }
                                        },
                                        {
                                          "type": "expression",
                                          "subType": "term",
                                          "term": {
                                            "termType": "Literal",
                                            "value": "aaa bb c",
                                            "datatype": {
                                              "termType": "NamedNode",
                                              "value": "http://www.w3.org/2001/XMLSchema#string"
                                            }
                                          }
                                        }
                                      ]
                                    },
                                    {
                                      "type": "expression",
                                      "subType": "operator",
                                      "operator": "=",
                                      "args": [
                                        {
                                          "type": "expression",
                                          "subType": "term",
                                          "term": {
                                            "termType": "Variable",
                                            "value": "g"
                                          }
                                        },
                                        {
                                          "type": "expression",
                                          "subType": "term",
                                          "term": {
                                            "termType": "Literal",
                                            "value": "aaa c bb",
                                            "datatype": {
                                              "termType": "NamedNode",
                                              "value": "http://www.w3.org/2001/XMLSchema#string"
                                            }
                                          }
                                        }
                                      ]
                                    }
                                  ]
                                },
                                {
                                  "type": "expression",
                                  "subType": "operator",
                                  "operator": "=",
                                  "args": [
                                    {
                                      "type": "expression",
                                      "subType": "term",
                                      "term": {
                                        "termType": "Variable",
                                        "value": "g"
                                      }
                                    },
                                    {
                                      "type": "expression",
                                      "subType": "term",
                                      "term": {
                                        "termType": "Literal",
                                        "value": "bb aaa c",
                                        "datatype": {
                                          "termType": "NamedNode",
                                          "value": "http://www.w3.org/2001/XMLSchema#string"
                                        }
                                      }
                                    }
                                  ]
                                }
                              ]
                            },
                            {
                              "type": "expression",
                              "subType": "operator",
                              "operator": "=",
                              "args": [
                                {
                                  "type": "expression",
                                  "subType": "term",
                                  "term": {
                                    "termType": "Variable",
                                    "value": "g"
                                  }
                                },
                                {
                                  "type": "expression",
                                  "subType": "term",
                                  "term": {
                                    "termType": "Literal",
                                    "value": "bb c aaa",
                                    "datatype": {
                                      "termType": "NamedNode",
                                      "value": "http://www.w3.org/2001/XMLSchema#string"
                                    }
                                  }
                                }
                              ]
                            }
                          ]
                        },
                        {
                          "type": "expression",
                          "subType": "operator",
                          "operator": "=",
                          "args": [
                            {
                              "type": "expression",
                              "subType": "term",
                              "term": {
                                "termType": "Variable",
                                "value": "g"
                              }
                            },
                            {
                              "type": "expression",
                              "subType": "term",
                              "term": {
                                "termType": "Literal",
                                "value": "c aaa bb",
                                "datatype": {
                                  "termType": "NamedNode",
                                  "value": "http://www.w3.org/2001/XMLSchema#string"
                                }
                              }
                            }
                          ]
                        }
                      ]
                    },
                    {
                      "type": "expression",
                      "subType": "operator",
                      "operator": "=",
                      "args": [
                        {
                          "type": "expression",
                          "subType": "term",
                          "term": {
                            "termType": "Variable",
                            "value": "g"
                          }
                        },
                        {
                          "type": "expression",
                          "subType": "term",
                          "term": {
                            "termType": "Literal",
                            "value": "c bb aaa",
                            "datatype": {
                              "termType": "NamedNode",
                              "value": "http://www.w3.org/2001/XMLSchema#string"
                            }
                          }
                        }
                      ]
                    }
                  ]
                }
              ]
            }
          ]
        }
      },
      "variables": [],
      "aggregates": [
        {
          "type": "expression",
          "subType": "aggregate",
          "aggregator": "count",
          "expression": {
            "type": "expression",
            "subType": "wildcard",
            "wildcard": {
              "type": "wildcard"
            }
          },
          "distinct": false,
          "variable": {
            "termType": "Variable",
            "value": "var1"
          }
        }
      ]
    },
    "variable": {
      "termType": "Variable",
      "value": "c"
    },
    "expression": {
      "type": "expression",
      "subType": "term",
      "term": {
        "termType": "Variable",
        "value": "var1"
      }
    }
  },
  "variables": [
    {
      "termType": "Variable",
      "value": "c"
    }
  ]
}