context: Chances are about even that Mary left the apple. It is probably not the case that Brian is a rhino. It is probably not the case that Lily is a frog.
hypothesis: There is almost no chance that either Brian is a rhino, or Mary left the apple.
valid_hypothesis: Chances are about even that either Brian is a rhino, or Mary left the apple.
invalid_hypothesis: There is almost no chance that either Brian is a rhino, or Mary left the apple.
hypothesis_assertion: Either Brian is a rhino, or Mary left the apple.