context: It is highly likely that Emily is a mouse. It is probably not the case that Julius is gray. It is probable that Lily is white.
hypothesis: It is unlikely that julius is gray, and Lily is white.
valid_hypothesis: It is unlikely that julius is gray, and Lily is white.
invalid_hypothesis: It is likely that julius is gray, and Lily is white.
hypothesis_assertion: Julius is gray, and Lily is white.