context: It is probably the case that Mary left the apple. It is improbable that John went to the bedroom. It is likely that Greg is white. It is probably the case that if John went to the bedroom, and Mary left the apple, then Sandra got the milk. There is almost no chance that if Greg is white, or Mary left the apple, then Brian is green. It is probably the case that if John went to the bedroom, or Greg is white, then Bernhard is a frog.
hypothesis: It is probable that brian is green, or Mary left the apple.
valid_hypothesis: It is probable that brian is green, or Mary left the apple.
invalid_hypothesis: Chances are slight that brian is green, or Mary left the apple.
hypothesis_assertion: Brian is green, or Mary left the apple.