context: It is probable that Emily is a cat. It is likely that John discarded the milk. There is a better than even chance that Bernhard is yellow. There is a better than even chance that if either Emily is a cat, or John discarded the milk, then Greg is a swan. It is likely that if Emily is a cat, or John discarded the milk, then Mary put down the apple. There is a very good chance that if John discarded the milk, or Emily is a cat, then Brian is a lion.
hypothesis: There is a very good chance that john discarded the milk, or Greg is a swan.
valid_hypothesis: There is a very good chance that john discarded the milk, or Greg is a swan.
invalid_hypothesis: Chances are slight that john discarded the milk, or Greg is a swan.
hypothesis_assertion: John discarded the milk, or Greg is a swan.