context: It is impossible that Greg is a frog. It is unlikely that Julius is gray. It is improbable that Bill went to the garden.
hypothesis: It is highly likely that julius is gray, or Greg is a frog.
valid_hypothesis: It is unlikely that julius is gray, or Greg is a frog.
invalid_hypothesis: It is highly likely that julius is gray, or Greg is a frog.
hypothesis_assertion: Julius is gray, or Greg is a frog.