context: It is probably the case that Bill went to the garden. It is highly likely that Brian is gray. It is probable that Julius is a frog.
hypothesis: It is probably not the case that either Brian is gray, or Julius is a frog.
valid_hypothesis: It is probably not the case that either Brian is gray, or Julius is a frog.
invalid_hypothesis: There is a very good chance that either Brian is gray, or Julius is a frog.
hypothesis_assertion: Either Brian is gray, or Julius is a frog.