context: It is probably not the case that Daniel grabbed the milk. There is almost no chance that Julius is a lion. It is probably the case that Mary dropped the milk. There is little chance that if Mary dropped the milk, or Julius is a lion, then Lily is gray. It is certain that if either Mary dropped the milk, or Julius is a lion, then Greg is a swan. We believe that if either Mary dropped the milk, or Daniel grabbed the milk, then Sandra took the football.
hypothesis: There is almost no chance that either Lily is gray, or Sandra took the football.
valid_hypothesis: Chances are about even that either Lily is gray, or Sandra took the football.
invalid_hypothesis: There is almost no chance that either Lily is gray, or Sandra took the football.
hypothesis_assertion: Either Lily is gray, or Sandra took the football.