context: We believe that Lily is a frog. It is probably not the case that Brian is a lion. It is impossible that Greg is yellow.
hypothesis: There is a better than even chance that either Lily is a frog, or Brian is a lion.
valid_hypothesis: There is a better than even chance that either Lily is a frog, or Brian is a lion.
invalid_hypothesis: Chances are slight that either Lily is a frog, or Brian is a lion.
hypothesis_assertion: Either Lily is a frog, or Brian is a lion.