context: There is a very good chance that Julius is gray. It is highly likely that Yann is thirsty. Chances are slight that Lily is a rhino. We believe that if Julius is gray, or Yann is thirsty, then Greg is a lion. There is a very good chance that if Julius is gray, and Lily is a rhino, then Mary left the apple. It is improbable that if Lily is a rhino, or Julius is gray, then Brian is gray.
hypothesis: It is highly likely that lily is a rhino, or Mary left the apple.
valid_hypothesis: Chances are slight that lily is a rhino, or Mary left the apple.
invalid_hypothesis: It is highly likely that lily is a rhino, or Mary left the apple.
hypothesis_assertion: Lily is a rhino, or Mary left the apple.