context: It is impossible that Mary moved to the office. It is probably the case that Greg is yellow. Chances are slight that Brian is green.
hypothesis: It is improbable that mary moved to the office, or Brian is green.
valid_hypothesis: It is improbable that mary moved to the office, or Brian is green.
invalid_hypothesis: It is likely that mary moved to the office, or Brian is green.
hypothesis_assertion: Mary moved to the office, or Brian is green.