context: It is unlikely that Julie is in the office. It is impossible that Brian is green. There is a better than even chance that Daniel left the football. It is impossible that if Brian is green, or Daniel left the football, then Julius is gray. There is little chance that if either Julie is in the office, or Brian is green, then Greg is gray. It is impossible that if either Brian is green, or Daniel left the football, then John dropped the apple.
hypothesis: It is unlikely that julie is in the office, or Greg is gray.
valid_hypothesis: It is unlikely that julie is in the office, or Greg is gray.
invalid_hypothesis: We believe that julie is in the office, or Greg is gray.
hypothesis_assertion: Julie is in the office, or Greg is gray.