{
  "src": [
    [ -0.1, -0.1, -0.1, 0  ],
    [ 1,    0,    0,    0  ],
    [ 1,    1,    0,    0  ],
    [ 0,    0,    1,    0  ],
    [ 1,    0,    1,    0  ],
    [ 1,    1,    1,    10 ]
  ],
  "pred": [[0.1, 0.1, 0.95]]
}