context: There is a very good chance that Lily is yellow. It is certain that Julius is a lion. It is unlikely that Brian is green. It is probably the case that if Lily is yellow, or Julius is a lion, then Winona is a cat. It is improbable that if Julius is a lion, or Lily is yellow, then Bernhard is a rhino. It is probable that if Julius is a lion, or Lily is yellow, then John dropped the apple.
hypothesis: There is little chance that julius is a lion, and Bernhard is a rhino.
valid_hypothesis: There is little chance that julius is a lion, and Bernhard is a rhino.
invalid_hypothesis: There is a better than even chance that julius is a lion, and Bernhard is a rhino.
hypothesis_assertion: Julius is a lion, and Bernhard is a rhino.