context: It is certain that Julius is gray. Chances are about even that Mary moved to the office. It is certain that Brian is white.
hypothesis: It is certain that mary moved to the office, or Brian is white.
valid_hypothesis: It is certain that mary moved to the office, or Brian is white.
invalid_hypothesis: There is little chance that mary moved to the office, or Brian is white.
hypothesis_assertion: Mary moved to the office, or Brian is white.