context: It is likely that Emily is a wolf. It is highly unlikely that Greg is a swan. It is certain that John dropped the apple. It is almost certain that if John dropped the apple, and Greg is a swan, then Brian is yellow. There is a very good chance that if either Emily is a wolf, or John dropped the apple, then Sandra grabbed the milk. It is probably the case that if Greg is a swan, and Emily is a wolf, then Mary went to the bedroom.
hypothesis: It is certain that sandra grabbed the milk, or Mary went to the bedroom.
valid_hypothesis: It is probably not the case that sandra grabbed the milk, or Mary went to the bedroom.
invalid_hypothesis: It is certain that sandra grabbed the milk, or Mary went to the bedroom.
hypothesis_assertion: Sandra grabbed the milk, or Mary went to the bedroom.