context: It is improbable that Brian is a lion. There is little chance that Fred is in the bedroom. It is highly unlikely that John left the apple. It is certain that if Brian is a lion, and John left the apple, then Daniel took the football. It is probably the case that if either John left the apple, or Fred is in the bedroom, then Bernhard is yellow. There is a very good chance that if Brian is a lion, and Fred is in the bedroom, then Julius is white.
hypothesis: We doubt that fred is in the bedroom, or Brian is a lion.
valid_hypothesis: We doubt that fred is in the bedroom, or Brian is a lion.
invalid_hypothesis: It is probable that fred is in the bedroom, or Brian is a lion.
hypothesis_assertion: Fred is in the bedroom, or Brian is a lion.