context: It is unlikely that John left the milk. There is almost no chance that Greg is a swan. It is unlikely that Lily is a lion.
hypothesis: It is unlikely that john left the milk, or Greg is a swan.
valid_hypothesis: It is unlikely that john left the milk, or Greg is a swan.
invalid_hypothesis: There is a very good chance that john left the milk, or Greg is a swan.
hypothesis_assertion: John left the milk, or Greg is a swan.