context: There is little chance that Bernhard is yellow. It is highly unlikely that Greg is a swan. It is highly likely that Julius is a rhino. We believe that if Julius is a rhino, and Bernhard is yellow, then Sandra put down the milk. It is certain that if Bernhard is yellow, and Greg is a swan, then Daniel left the apple. There is a very good chance that if Greg is a swan, and Julius is a rhino, then Mary went to the hallway.
hypothesis: It is probable that either Greg is a swan, or Mary went to the hallway.
valid_hypothesis: There is almost no chance that either Greg is a swan, or Mary went to the hallway.
invalid_hypothesis: It is probable that either Greg is a swan, or Mary went to the hallway.
hypothesis_assertion: Either Greg is a swan, or Mary went to the hallway.