context: It is impossible that Brian is gray. There is a better than even chance that John discarded the milk. We doubt that Greg is a frog. It is highly likely that if John discarded the milk, or Brian is gray, then Emily is a wolf. It is improbable that if Greg is a frog, and Brian is gray, then Julius is a rhino. It is unlikely that if John discarded the milk, and Greg is a frog, then Lily is yellow.
hypothesis: It is probable that john discarded the milk, or Greg is a frog.
valid_hypothesis: It is probable that john discarded the milk, or Greg is a frog.
invalid_hypothesis: It is highly unlikely that john discarded the milk, or Greg is a frog.
hypothesis_assertion: John discarded the milk, or Greg is a frog.