context: It is impossible that John took the apple. It is improbable that Julius is yellow. It is improbable that Brian is white. It is almost certain that if John took the apple, and Brian is white, then Lily is gray. It is probably not the case that if Julius is yellow, or John took the apple, then Mary went to the hallway. It is unlikely that if John took the apple, or Julius is yellow, then Bernhard is a swan.
hypothesis: It is impossible that brian is white, and Mary went to the hallway.
valid_hypothesis: It is impossible that brian is white, and Mary went to the hallway.
invalid_hypothesis: It is highly likely that brian is white, and Mary went to the hallway.
hypothesis_assertion: Brian is white, and Mary went to the hallway.