context: It is likely that Gertrude is a wolf. We believe that Mary grabbed the apple. It is probably not the case that Brian is green.
hypothesis: We doubt that brian is green, and Gertrude is a wolf.
valid_hypothesis: We doubt that brian is green, and Gertrude is a wolf.
invalid_hypothesis: There is a very good chance that brian is green, and Gertrude is a wolf.
hypothesis_assertion: Brian is green, and Gertrude is a wolf.