context: It is highly likely that Mary went to the hallway. There is a very good chance that Brian is white. It is probable that Julius is yellow. It is unlikely that if Julius is yellow, and Mary went to the hallway, then John moved to the office. It is highly likely that if either Mary went to the hallway, or Brian is white, then Sandra grabbed the apple. It is certain that if Brian is white, and Julius is yellow, then Daniel got the milk.
hypothesis: We doubt that either John moved to the office, or Mary went to the hallway.
valid_hypothesis: We believe that either John moved to the office, or Mary went to the hallway.
invalid_hypothesis: We doubt that either John moved to the office, or Mary went to the hallway.
hypothesis_assertion: Either John moved to the office, or Mary went to the hallway.