context: There is little chance that Brian is white. There is a very good chance that Greg is a swan. It is highly likely that Julius is a lion.
hypothesis: It is probable that julius is a lion, and Greg is a swan.
valid_hypothesis: It is probable that julius is a lion, and Greg is a swan.
invalid_hypothesis: We doubt that julius is a lion, and Greg is a swan.
hypothesis_assertion: Julius is a lion, and Greg is a swan.