context: There is a better than even chance that Mary dropped the apple. It is certain that Greg is a rhino. Chances are slight that John went to the bedroom. There is a very good chance that if either Greg is a rhino, or Mary dropped the apple, then Bernhard is a swan. It is highly likely that if Mary dropped the apple, and John went to the bedroom, then Brian is a lion. It is highly unlikely that if Mary dropped the apple, or John went to the bedroom, then Lily is green.
hypothesis: Chances are slight that lily is green, or John went to the bedroom.
valid_hypothesis: Chances are slight that lily is green, or John went to the bedroom.
invalid_hypothesis: There is a very good chance that lily is green, or John went to the bedroom.
hypothesis_assertion: Lily is green, or John went to the bedroom.