context: It is probable that Greg is a frog. There is almost no chance that Bernhard is yellow. It is probable that Mary left the football.
hypothesis: It is certain that bernhard is yellow, and Greg is a frog.
valid_hypothesis: There is almost no chance that bernhard is yellow, and Greg is a frog.
invalid_hypothesis: It is certain that bernhard is yellow, and Greg is a frog.
hypothesis_assertion: Bernhard is yellow, and Greg is a frog.