context: We believe that Mary put down the milk. We believe that Julius is a rhino. It is likely that Greg is a frog. It is unlikely that if Mary put down the milk, or Julius is a rhino, then Brian is gray. It is unlikely that if Mary put down the milk, and Julius is a rhino, then Lily is yellow. We believe that if either Julius is a rhino, or Greg is a frog, then John went to the office.
hypothesis: It is highly unlikely that brian is gray, or Mary put down the milk.
valid_hypothesis: There is a very good chance that brian is gray, or Mary put down the milk.
invalid_hypothesis: It is highly unlikely that brian is gray, or Mary put down the milk.
hypothesis_assertion: Brian is gray, or Mary put down the milk.