context: Chances are slight that Julius is yellow. It is highly likely that John got the football. There is little chance that Greg is yellow.
hypothesis: It is improbable that john got the football, and Julius is yellow.
valid_hypothesis: It is improbable that john got the football, and Julius is yellow.
invalid_hypothesis: It is probably the case that john got the football, and Julius is yellow.
hypothesis_assertion: John got the football, and Julius is yellow.