context: We doubt that Lily is a frog. It is highly likely that Jeff went to the hallway. Chances are about even that Jason is thirsty.
hypothesis: It is unlikely that lily is a frog, and Jeff went to the hallway.
valid_hypothesis: It is unlikely that lily is a frog, and Jeff went to the hallway.
invalid_hypothesis: It is probable that lily is a frog, and Jeff went to the hallway.
hypothesis_assertion: Lily is a frog, and Jeff went to the hallway.