context: There is a very good chance that Julius is a lion. It is almost certain that Mary went to the office. There is little chance that Brian is gray. There is a better than even chance that if either Brian is gray, or Julius is a lion, then Greg is yellow. We believe that if either Brian is gray, or Julius is a lion, then John left the football. There is little chance that if either Brian is gray, or Mary went to the office, then Jessica is a sheep.
hypothesis: It is improbable that either Greg is yellow, or Mary went to the office.
valid_hypothesis: There is a better than even chance that either Greg is yellow, or Mary went to the office.
invalid_hypothesis: It is improbable that either Greg is yellow, or Mary went to the office.
hypothesis_assertion: Either Greg is yellow, or Mary went to the office.