context: It is unlikely that Sandra left the apple. It is likely that Julius is a lion. We doubt that Lily is yellow. There is almost no chance that if either Sandra left the apple, or Lily is yellow, then Bill is in the kitchen. It is certain that if Sandra left the apple, and Julius is a lion, then Bernhard is yellow. There is little chance that if either Sandra left the apple, or Julius is a lion, then Brian is a rhino.
hypothesis: It is likely that julius is a lion, and Brian is a rhino.
valid_hypothesis: It is highly unlikely that julius is a lion, and Brian is a rhino.
invalid_hypothesis: It is likely that julius is a lion, and Brian is a rhino.
hypothesis_assertion: Julius is a lion, and Brian is a rhino.