context: It is probably the case that John went to the office. There is almost no chance that Lily is gray. We believe that Greg is a lion.
hypothesis: We believe that either Lily is gray, or Greg is a lion.
valid_hypothesis: We believe that either Lily is gray, or Greg is a lion.
invalid_hypothesis: It is highly unlikely that either Lily is gray, or Greg is a lion.
hypothesis_assertion: Either Lily is gray, or Greg is a lion.