context: It is improbable that Mary went to the garden. It is probably not the case that Brian is green. There is a very good chance that John got the milk there.
hypothesis: There is almost no chance that mary went to the garden, and Brian is green.
valid_hypothesis: There is almost no chance that mary went to the garden, and Brian is green.
invalid_hypothesis: There is a very good chance that mary went to the garden, and Brian is green.
hypothesis_assertion: Mary went to the garden, and Brian is green.