context: It is probably not the case that Lily is green. It is almost certain that Brian is a lion. It is highly unlikely that Mary left the football. It is highly unlikely that if Brian is a lion, and Lily is green, then Bernhard is yellow. It is highly likely that if either Lily is green, or Mary left the football, then John went to the bedroom. It is probable that if either Lily is green, or Brian is a lion, then Julius is a swan.
hypothesis: We believe that either Julius is a swan, or Lily is green.
valid_hypothesis: We believe that either Julius is a swan, or Lily is green.
invalid_hypothesis: There is little chance that either Julius is a swan, or Lily is green.
hypothesis_assertion: Either Julius is a swan, or Lily is green.