context: It is almost certain that Brian is yellow. It is highly likely that Mary left the apple. There is a better than even chance that Jeff went to the hallway.
hypothesis: There is a better than even chance that jeff went to the hallway, and Brian is yellow.
valid_hypothesis: There is a better than even chance that jeff went to the hallway, and Brian is yellow.
invalid_hypothesis: There is little chance that jeff went to the hallway, and Brian is yellow.
hypothesis_assertion: Jeff went to the hallway, and Brian is yellow.