context: Chances are about even that Brian is gray. There is a better than even chance that John picked up the apple. It is certain that Bernhard is a frog.
hypothesis: It is impossible that either Brian is gray, or John picked up the apple.
valid_hypothesis: Chances are about even that either Brian is gray, or John picked up the apple.
invalid_hypothesis: It is impossible that either Brian is gray, or John picked up the apple.
hypothesis_assertion: Either Brian is gray, or John picked up the apple.