context: It is certain that Brian is green. Chances are slight that John went to the hallway. It is unlikely that Bernhard is gray.
hypothesis: It is highly likely that john went to the hallway, and Brian is green.
valid_hypothesis: There is little chance that john went to the hallway, and Brian is green.
invalid_hypothesis: It is highly likely that john went to the hallway, and Brian is green.
hypothesis_assertion: John went to the hallway, and Brian is green.