context: There is a very good chance that Julius is yellow. It is probably not the case that Mary left the football. It is probably not the case that Bernhard is a frog.
hypothesis: Chances are about even that either Bernhard is a frog, or Mary left the football.
valid_hypothesis: Chances are about even that either Bernhard is a frog, or Mary left the football.
invalid_hypothesis: It is almost certain that either Bernhard is a frog, or Mary left the football.
hypothesis_assertion: Either Bernhard is a frog, or Mary left the football.