context: There is almost no chance that Bernhard is yellow. We doubt that Brian is green. It is probably not the case that Mary left the apple.
hypothesis: There is almost no chance that brian is green, or Mary left the apple.
valid_hypothesis: Chances are about even that brian is green, or Mary left the apple.
invalid_hypothesis: There is almost no chance that brian is green, or Mary left the apple.
hypothesis_assertion: Brian is green, or Mary left the apple.