context: It is certain that Jeff went to the office. It is impossible that Greg is green. It is likely that Brian is a lion. There is almost no chance that if Jeff went to the office, or Greg is green, then John discarded the milk. It is highly likely that if either Jeff went to the office, or Greg is green, then Yann is thirsty. There is almost no chance that if Jeff went to the office, or Greg is green, then Lily is gray.
hypothesis: There is almost no chance that either John discarded the milk, or Greg is green.
valid_hypothesis: There is almost no chance that either John discarded the milk, or Greg is green.
invalid_hypothesis: Chances are about even that either John discarded the milk, or Greg is green.
hypothesis_assertion: Either John discarded the milk, or Greg is green.