context: We doubt that Julius is yellow. It is highly likely that Mary got the football. It is probably not the case that John went to the hallway.
hypothesis: We believe that either Julius is yellow, or Mary got the football.
valid_hypothesis: We believe that either Julius is yellow, or Mary got the football.
invalid_hypothesis: It is improbable that either Julius is yellow, or Mary got the football.
hypothesis_assertion: Either Julius is yellow, or Mary got the football.