{
    "id": "FM_cellphone",
    "name": "FM_cellphone",
    "features": {
        "accu_cell": {
            "name": "accu_cell",
            "optional": false,
            "type": "XOR",
            "note": ""
        },
        "bluetooth": {
            "name": "bluetooth",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "cellphone": {
            "name": "cellphone",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "color": {
            "name": "color",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "display": {
            "name": "display",
            "optional": false,
            "type": "XOR",
            "note": ""
        },
        "infrared": {
            "name": "infrared",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "li_ion": {
            "name": "li_ion",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "monochrome": {
            "name": "monochrome",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "ni_ca": {
            "name": "ni_ca",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "ni_mh": {
            "name": "ni_mh",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "wireless": {
            "name": "wireless",
            "optional": true,
            "type": "OR",
            "note": ""
        }
    },
    "tree": {
        "id": "cellphone",
        "children": [
            {
                "id": "accu_cell",
                "children": [
                    {
                        "id": "li_ion"
                    },
                    {
                        "id": "ni_ca"
                    },
                    {
                        "id": "ni_mh"
                    }
                ]
            },
            {
                "id": "display",
                "children": [
                    {
                        "id": "color"
                    },
                    {
                        "id": "monochrome"
                    }
                ]
            },
            {
                "id": "wireless",
                "children": [
                    {
                        "id": "bluetooth"
                    },
                    {
                        "id": "infrared"
                    }
                ]
            }
        ]
    },
    "constraints": {
        "Constraint 0": {
            "type": "ImpliesTerm",
            "operands": [
                {
                    "type": "FeatureTerm",
                    "operands": [
                        "bluetooth"
                    ]
                },
                {
                    "type": "FeatureTerm",
                    "operands": [
                        "li_ion"
                    ]
                }
            ]
        },
        "Constraint 1": {
            "type": "ImpliesTerm",
            "operands": [
                {
                    "type": "FeatureTerm",
                    "operands": [
                        "color"
                    ]
                },
                {
                    "type": "NotTerm",
                    "operands": [
                        {
                            "type": "FeatureTerm",
                            "operands": [
                                "ni_ca"
                            ]
                        }
                    ]
                }
            ]
        }
    }
}