context: There is little chance that Brian is a swan. There is little chance that Julius is yellow. It is highly likely that Fred went to the hallway.
hypothesis: It is likely that brian is a swan, and Fred went to the hallway.
valid_hypothesis: Chances are slight that brian is a swan, and Fred went to the hallway.
invalid_hypothesis: It is likely that brian is a swan, and Fred went to the hallway.
hypothesis_assertion: Brian is a swan, and Fred went to the hallway.