context: There is almost no chance that Greg is a lion. We doubt that Lily is green. It is highly unlikely that John discarded the milk.
hypothesis: It is impossible that john discarded the milk, and Greg is a lion.
valid_hypothesis: It is impossible that john discarded the milk, and Greg is a lion.
invalid_hypothesis: We believe that john discarded the milk, and Greg is a lion.
hypothesis_assertion: John discarded the milk, and Greg is a lion.