context: It is probably not the case that Gertrude is a wolf. It is probably the case that Mary put down the milk. It is probably the case that Fred went to the garden.
hypothesis: We doubt that fred went to the garden, and Gertrude is a wolf.
valid_hypothesis: We doubt that fred went to the garden, and Gertrude is a wolf.
invalid_hypothesis: It is probable that fred went to the garden, and Gertrude is a wolf.
hypothesis_assertion: Fred went to the garden, and Gertrude is a wolf.