context: There is little chance that Mary went to the bedroom. There is almost no chance that Greg is a swan. It is probably the case that Brian is a lion. We believe that if either Greg is a swan, or Brian is a lion, then Jessica is a sheep. It is probably the case that if either Brian is a lion, or Mary went to the bedroom, then Julius is gray. It is probable that if Greg is a swan, and Mary went to the bedroom, then John left the football.
hypothesis: We doubt that john left the football, or Brian is a lion.
valid_hypothesis: It is probable that john left the football, or Brian is a lion.
invalid_hypothesis: We doubt that john left the football, or Brian is a lion.
hypothesis_assertion: John left the football, or Brian is a lion.