{    
    "V": ["XRay", "LungInfiltrates", "Tuberculosis", "SputumSmear", "Pneumonia"],
    "E": [["Tuberculosis", "LungInfiltrates"],
        ["Pneumonia", "LungInfiltrates"],
        ["Tuberculosis", "SputumSmear"],
        ["LungInfiltrates", "XRay"]],
    "Vdata": {
        "XRay": {
            "ord": 4,
            "numoutcomes": 2,
            "vals": ["0", "1"],
            "parents": ["LungInfiltrates"],
            "children": None,
            "cprob": {
                "['0']": [.4, .6],
                "['1']": [.2, .8]
            }
        },
        
        "SputumSmear": {
            "ord": 3,
            "numoutcomes": 2,
            "vals": ["0", "1"],
            "parents": ["Tuberculosis"],
            "children": None,
            "cprob": {
                "['0']": [.4, .6],
                "['1']": [.2, .8]
            }
        },
        
        "LungInfiltrates": {
            "ord": 2,
            "numoutcomes": 2,
            "vals": ["0", "1"],
            "parents": ["Pneumonia", "Tuberculosis"],
            "children": ["XRay"],
            "cprob": {
                "['0', '0']": [.99, .01],
                "['0', '1']": [.8, .2],
                "['1', '0']": [.4, .6],
                "['1', '1']": [.2, .8]
            }
        },
        
        "Tuberculosis": {
            "ord": 1,
            "numoutcomes": 2,
            "vals": ["0", "1"],
            "parents": None,
            "children": ["SputumSmear", "LungInfiltrates"],
            "cprob": [.98, .02]
        },
        
        "Pneumonia": {
            "ord": 0,
            "numoutcomes": 2,
            "vals": ["0", "1"],
            "parents": None,
            "children": ["LungInfiltrates"],
            "cprob":  [.95, .05]
        }
    }
}