context: We believe that Lily is a frog. It is likely that Greg is a lion. It is probable that Bernhard is gray.
hypothesis: Chances are about even that either Bernhard is gray, or Greg is a lion.
valid_hypothesis: Chances are about even that either Bernhard is gray, or Greg is a lion.
invalid_hypothesis: It is highly unlikely that either Bernhard is gray, or Greg is a lion.
hypothesis_assertion: Either Bernhard is gray, or Greg is a lion.