context: It is probably the case that Lily is a rhino. It is unlikely that Bernhard is a frog. It is probably not the case that Sumit is thirsty. Chances are about even that if either Bernhard is a frog, or Sumit is thirsty, then Mary went to the bedroom. It is likely that if either Bernhard is a frog, or Sumit is thirsty, then John discarded the apple. There is almost no chance that if Sumit is thirsty, and Bernhard is a frog, then Brian is green.
hypothesis: It is unlikely that either John discarded the apple, or Mary went to the bedroom.
valid_hypothesis: It is unlikely that either John discarded the apple, or Mary went to the bedroom.
invalid_hypothesis: We believe that either John discarded the apple, or Mary went to the bedroom.
hypothesis_assertion: Either John discarded the apple, or Mary went to the bedroom.