context: We believe that Mary went to the kitchen. It is impossible that Daniel left the football. It is impossible that Julius is green. It is impossible that if Julius is green, or Mary went to the kitchen, then Greg is a swan. It is almost certain that if Daniel left the football, and Julius is green, then John is in the hallway. It is improbable that if either Julius is green, or Daniel left the football, then Fred moved to the office.
hypothesis: It is likely that john is in the hallway, and Daniel left the football.
valid_hypothesis: It is impossible that john is in the hallway, and Daniel left the football.
invalid_hypothesis: It is likely that john is in the hallway, and Daniel left the football.
hypothesis_assertion: John is in the hallway, and Daniel left the football.