context: It is likely that Jessica is a sheep. It is highly likely that Bernhard is a lion. It is unlikely that Brian is a rhino. It is probable that if Brian is a rhino, or Bernhard is a lion, then Lily is yellow. It is probably the case that if either Bernhard is a lion, or Brian is a rhino, then Sandra left the apple. It is probable that if Jessica is a sheep, or Brian is a rhino, then Mary is in the cinema.
hypothesis: It is impossible that either Lily is yellow, or Sandra left the apple.
valid_hypothesis: Chances are about even that either Lily is yellow, or Sandra left the apple.
invalid_hypothesis: It is impossible that either Lily is yellow, or Sandra left the apple.
hypothesis_assertion: Either Lily is yellow, or Sandra left the apple.