context: It is likely that Julius is green. It is almost certain that Mary went to the hallway. There is a very good chance that John left the football.
hypothesis: It is probably not the case that either John left the football, or Mary went to the hallway.
valid_hypothesis: It is probably not the case that either John left the football, or Mary went to the hallway.
invalid_hypothesis: It is probably the case that either John left the football, or Mary went to the hallway.
hypothesis_assertion: Either John left the football, or Mary went to the hallway.