context: There is a better than even chance that Greg is gray. It is likely that Lily is a rhino. There is little chance that Mary got the milk. Chances are about even that if either Mary got the milk, or Lily is a rhino, then Bernhard is a swan. It is almost certain that if Mary got the milk, or Greg is gray, then Brian is a lion. Chances are about even that if either Greg is gray, or Mary got the milk, then John went to the bedroom.
hypothesis: There is a better than even chance that brian is a lion, or John went to the bedroom.
valid_hypothesis: There is a better than even chance that brian is a lion, or John went to the bedroom.
invalid_hypothesis: There is almost no chance that brian is a lion, or John went to the bedroom.
hypothesis_assertion: Brian is a lion, or John went to the bedroom.