context: There is almost no chance that Julius is white. There is little chance that Greg is a rhino. There is a very good chance that Brian is a swan. It is probable that if Greg is a rhino, and Brian is a swan, then Sandra got the apple. There is little chance that if Brian is a swan, or Greg is a rhino, then Bernhard is a lion. It is highly unlikely that if Greg is a rhino, or Brian is a swan, then Mary went to the hallway.
hypothesis: There is little chance that either Mary went to the hallway, or Greg is a rhino.
valid_hypothesis: There is little chance that either Mary went to the hallway, or Greg is a rhino.
invalid_hypothesis: It is almost certain that either Mary went to the hallway, or Greg is a rhino.
hypothesis_assertion: Either Mary went to the hallway, or Greg is a rhino.