context: There is a better than even chance that Brian is green. It is probably the case that Mary went to the garden. Chances are about even that Greg is a frog.
hypothesis: It is certain that mary went to the garden, and Brian is green.
valid_hypothesis: Chances are about even that mary went to the garden, and Brian is green.
invalid_hypothesis: It is certain that mary went to the garden, and Brian is green.
hypothesis_assertion: Mary went to the garden, and Brian is green.