context: It is highly unlikely that John went to the garden. It is probably not the case that Mary grabbed the apple. We believe that Brian is a frog.
hypothesis: It is almost certain that john went to the garden, and Mary grabbed the apple.
valid_hypothesis: There is almost no chance that john went to the garden, and Mary grabbed the apple.
invalid_hypothesis: It is almost certain that john went to the garden, and Mary grabbed the apple.
hypothesis_assertion: John went to the garden, and Mary grabbed the apple.