context: Chances are about even that Greg is a lion. There is a very good chance that John discarded the milk. There is almost no chance that Brian is white.
hypothesis: It is probably not the case that john discarded the milk, or Brian is white.
valid_hypothesis: There is a very good chance that john discarded the milk, or Brian is white.
invalid_hypothesis: It is probably not the case that john discarded the milk, or Brian is white.
hypothesis_assertion: John discarded the milk, or Brian is white.