context: There is almost no chance that Mary went to the bedroom. It is certain that Greg is gray. It is certain that Lily is a rhino. It is probably not the case that if Lily is a rhino, or Mary went to the bedroom, then Brian is a swan. There is little chance that if Mary went to the bedroom, and Greg is gray, then Sandra got the apple. There is little chance that if Greg is gray, or Mary went to the bedroom, then Bill dropped the milk.
hypothesis: It is probably not the case that brian is a swan, or Bill dropped the milk.
valid_hypothesis: It is probably not the case that brian is a swan, or Bill dropped the milk.
invalid_hypothesis: It is likely that brian is a swan, or Bill dropped the milk.
hypothesis_assertion: Brian is a swan, or Bill dropped the milk.