context: We doubt that Daniel got the milk. It is probably not the case that Greg is yellow. It is highly unlikely that Mary left the football.
hypothesis: Chances are about even that mary left the football, and Daniel got the milk.
valid_hypothesis: There is almost no chance that mary left the football, and Daniel got the milk.
invalid_hypothesis: Chances are about even that mary left the football, and Daniel got the milk.
hypothesis_assertion: Mary left the football, and Daniel got the milk.