context: There is little chance that Lily is a frog. We believe that John left the milk. It is certain that Brian is green.
hypothesis: It is highly likely that brian is green, and Lily is a frog.
valid_hypothesis: There is little chance that brian is green, and Lily is a frog.
invalid_hypothesis: It is highly likely that brian is green, and Lily is a frog.
hypothesis_assertion: Brian is green, and Lily is a frog.