context: Chances are about even that Lily is white. It is likely that Brian is gray. There is a better than even chance that John moved to the garden. It is impossible that if either John moved to the garden, or Brian is gray, then Fred discarded the milk. We doubt that if Brian is gray, or Lily is white, then Mary went to the bedroom. We doubt that if Lily is white, and Brian is gray, then Greg is a frog.
hypothesis: Chances are about even that lily is white, or Fred discarded the milk.
valid_hypothesis: Chances are about even that lily is white, or Fred discarded the milk.
invalid_hypothesis: It is impossible that lily is white, or Fred discarded the milk.
hypothesis_assertion: Lily is white, or Fred discarded the milk.