context: It is improbable that Bernhard is gray. There is almost no chance that Greg is a lion. It is improbable that Julius is yellow.
hypothesis: There is almost no chance that bernhard is gray, and Julius is yellow.
valid_hypothesis: There is almost no chance that bernhard is gray, and Julius is yellow.
invalid_hypothesis: It is highly likely that bernhard is gray, and Julius is yellow.
hypothesis_assertion: Bernhard is gray, and Julius is yellow.