context: Chances are slight that Julius is yellow. We doubt that Sandra left the football. There is little chance that Daniel grabbed the milk.
hypothesis: It is probable that sandra left the football, or Julius is yellow.
valid_hypothesis: It is probably not the case that sandra left the football, or Julius is yellow.
invalid_hypothesis: It is probable that sandra left the football, or Julius is yellow.
hypothesis_assertion: Sandra left the football, or Julius is yellow.