context: There is a better than even chance that Greg is yellow. We doubt that Sandra grabbed the milk. It is probably not the case that Bernhard is a frog.
hypothesis: It is improbable that sandra grabbed the milk, and Greg is yellow.
valid_hypothesis: It is improbable that sandra grabbed the milk, and Greg is yellow.
invalid_hypothesis: There is a very good chance that sandra grabbed the milk, and Greg is yellow.
hypothesis_assertion: Sandra grabbed the milk, and Greg is yellow.