context: It is impossible that John moved to the office. It is highly unlikely that Brian is gray. It is probably the case that Greg is yellow.
hypothesis: Chances are slight that greg is yellow, or John moved to the office.
valid_hypothesis: It is probably the case that greg is yellow, or John moved to the office.
invalid_hypothesis: Chances are slight that greg is yellow, or John moved to the office.
hypothesis_assertion: Greg is yellow, or John moved to the office.