context: There is a better than even chance that Greg is a rhino. It is certain that John dropped the apple. There is almost no chance that Lily is a lion. It is likely that if John dropped the apple, and Greg is a rhino, then Bill went to the kitchen. It is certain that if Greg is a rhino, and Lily is a lion, then Bernhard is yellow. It is certain that if John dropped the apple, or Lily is a lion, then Mary is in the bedroom.
hypothesis: There is almost no chance that lily is a lion, and Greg is a rhino.
valid_hypothesis: There is almost no chance that lily is a lion, and Greg is a rhino.
invalid_hypothesis: It is probable that lily is a lion, and Greg is a rhino.
hypothesis_assertion: Lily is a lion, and Greg is a rhino.