def METHOD_NAME(self):
    def f(t):
        return AgeClassifier.audience(t, None)
    assert Classifier.AUDIENCE_CHILDREN == f("Age 5")
    assert Classifier.AUDIENCE_ADULT == f("Age 18+")
    assert None == f("Ages Of Man")
    assert None == f("Age -12")
    assert Classifier.AUDIENCE_YOUNG_ADULT == f("up to age 16")
    assert Classifier.AUDIENCE_YOUNG_ADULT == f("Age 12-14")
    assert Classifier.AUDIENCE_YOUNG_ADULT == f("Ages 13 and up")
    assert Classifier.AUDIENCE_CHILDREN == f("Age 12-13")