{
    "id": "FM__r",
    "name": "FM__r",
    "features": {
        "_r": {
            "name": "_r",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_10": {
            "name": "_r_10",
            "optional": false,
            "type": "OR",
            "note": ""
        },
        "_r_10_11_12": {
            "name": "_r_10_11_12",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_10_11_13": {
            "name": "_r_10_11_13",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_10_11_14": {
            "name": "_r_10_11_14",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_15": {
            "name": "_r_15",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_16": {
            "name": "_r_16",
            "optional": false,
            "type": "XOR",
            "note": ""
        },
        "_r_16_17_18": {
            "name": "_r_16_17_18",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_16_17_19": {
            "name": "_r_16_17_19",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_20": {
            "name": "_r_20",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_4": {
            "name": "_r_4",
            "optional": false,
            "type": "OR",
            "note": ""
        },
        "_r_4_5_6": {
            "name": "_r_4_5_6",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_4_5_8": {
            "name": "_r_4_5_8",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        }
    },
    "tree": {
        "id": "_r",
        "children": [
            {
                "id": "_r_10",
                "children": [
                    {
                        "id": "_r_10_11_12"
                    },
                    {
                        "id": "_r_10_11_13"
                    },
                    {
                        "id": "_r_10_11_14"
                    }
                ]
            },
            {
                "id": "_r_15"
            },
            {
                "id": "_r_16",
                "children": [
                    {
                        "id": "_r_16_17_18"
                    },
                    {
                        "id": "_r_16_17_19"
                    }
                ]
            },
            {
                "id": "_r_20"
            },
            {
                "id": "_r_4",
                "children": [
                    {
                        "id": "_r_4_5_6"
                    },
                    {
                        "id": "_r_4_5_8"
                    }
                ]
            }
        ]
    },
    "constraints": {
        "Constraint 0": {
            "type": "ImpliesTerm",
            "operands": [
                {
                    "type": "FeatureTerm",
                    "operands": [
                        "_r_4"
                    ]
                },
                {
                    "type": "FeatureTerm",
                    "operands": [
                        "_r_16"
                    ]
                }
            ]
        },
        "Constraint 1": {
            "type": "ImpliesTerm",
            "operands": [
                {
                    "type": "FeatureTerm",
                    "operands": [
                        "_r_4"
                    ]
                },
                {
                    "type": "FeatureTerm",
                    "operands": [
                        "_r_20"
                    ]
                }
            ]
        }
    }
}