context: There is a very good chance that Lily is white. There is a better than even chance that Bernhard is a frog. It is likely that Mary went to the hallway.
hypothesis: It is impossible that lily is white, and Bernhard is a frog.
valid_hypothesis: Chances are about even that lily is white, and Bernhard is a frog.
invalid_hypothesis: It is impossible that lily is white, and Bernhard is a frog.
hypothesis_assertion: Lily is white, and Bernhard is a frog.