context: It is probable that John went to the hallway. There is a better than even chance that Brian is gray. It is unlikely that Lily is a frog.
hypothesis: Chances are slight that john went to the hallway, and Lily is a frog.
valid_hypothesis: Chances are slight that john went to the hallway, and Lily is a frog.
invalid_hypothesis: It is probable that john went to the hallway, and Lily is a frog.
hypothesis_assertion: John went to the hallway, and Lily is a frog.