context: It is likely that Julius is gray. There is a better than even chance that Greg is gray. It is probably not the case that Lily is yellow.
hypothesis: It is likely that lily is yellow, or Greg is gray.
valid_hypothesis: It is likely that lily is yellow, or Greg is gray.
invalid_hypothesis: It is improbable that lily is yellow, or Greg is gray.
hypothesis_assertion: Lily is yellow, or Greg is gray.