context: It is almost certain that Brian is yellow. It is highly unlikely that Mary went to the office. It is likely that John picked up the apple. It is likely that if Brian is yellow, and John picked up the apple, then Greg is a swan. It is probable that if John picked up the apple, or Brian is yellow, then Julius is white. We believe that if either Brian is yellow, or John picked up the apple, then Daniel grabbed the milk.
hypothesis: It is unlikely that john picked up the apple, or Brian is yellow.
valid_hypothesis: It is certain that john picked up the apple, or Brian is yellow.
invalid_hypothesis: It is unlikely that john picked up the apple, or Brian is yellow.
hypothesis_assertion: John picked up the apple, or Brian is yellow.