{
    "shirt": {
        "black": {
            "name": "black",
            "related_size": {
                "name": "large",
                "related_shirt": "black",
                "related_shirts": [
                    "black",
                    "white"
                ]
            },
            "related_sizes": [
                "large",
                "medium",
                "small"
            ]
        },
        "white": {
            "name": "white",
            "related_size": {
                "name": "medium",
                "related_shirt": "white",
                "related_shirts": [
                    "black"
                ]
            },
            "related_sizes": [
                "large",
                "small"
            ]
        },
        "hotpink": {
            "name": "hotpink",
            "related_size": {
                "name": "small",
                "related_shirt": "hotpink",
                "related_shirts": [
                    "hotpink"
                ]
            },
            "related_sizes": [
                "small"
            ]
        }
    },
    "size": {
        "small": {
            "name": "small",
            "related_shirt": "hotpink",
            "related_shirts": [
                "hotpink"
            ]
        },
        "medium": {
            "name": "medium",
            "related_shirt": "white",
            "related_shirts": [
                "black"
            ]
        },
        "large": {
            "name": "large",
            "related_shirt": "black",
            "related_shirts": [
                "black",
                "white"
            ]
        }
    },
    "shirt_size": {
        "black": "large",
        "white": "medium",
        "hotpink": "small"
    },
    "shirt_sizes": {
        "black": [
            "large",
            "medium",
            "small"
        ],
        "white": [
            "large",
            "small"
        ],
        "hotpink": [
            "small"
        ]
    },
    "size_shirts": {
        "large": [
            "black",
            "white"
        ],
        "medium": [
            "black"
        ],
        "small": [
            "hotpink"
        ]
    }
}