{
    "Vdata": {
        "Grade": {
            "parents": [
                "Difficulty", 
                "Intelligence"
            ], 
            "type": "lgandd", 
            "children": [
                "Letter"
            ], 
            "hybcprob": {
                "['high']": {
                    "variance": 10, 
                    "mean_base": 20, 
                    "mean_scal": [
                        1
                    ]
                }, 
                "['low']": {
                    "variance": 10, 
                    "mean_base": 10, 
                    "mean_scal": [
                        1
                    ]
                }
            }
        }, 
        "Intelligence": {
            "numoutcomes": 2, 
            "cprob": [
                0.9, 
                0.1
            ], 
            "parents": null, 
            "vals": [
                "low", 
                "high"
            ], 
            "type": "discrete", 
            "children": [
                "SAT", 
                "Grade"
            ]
        }, 
        "Difficulty": {
            "mean_base": 50, 
            "mean_scal": [], 
            "parents": null, 
            "variance": 18, 
            "type": "lg", 
            "children": [
                "Grade"
            ]
        }, 
        "Letter": {
            "mean_base": -110, 
            "mean_scal": [
                2
            ], 
            "parents": [
                "Grade"
            ], 
            "variance": 10, 
            "type": "lg", 
            "children": null
        }, 
        "SAT": {
            "parents": [
                "Intelligence"
            ], 
            "crazyinput": 7, 
            "type": "crazy"
        }
    }
}
