context: It is probably not the case that Greg is gray. Chances are about even that Sandra left the apple. It is improbable that Mary moved to the office.
hypothesis: It is almost certain that either Mary moved to the office, or Sandra left the apple.
valid_hypothesis: Chances are about even that either Mary moved to the office, or Sandra left the apple.
invalid_hypothesis: It is almost certain that either Mary moved to the office, or Sandra left the apple.
hypothesis_assertion: Either Mary moved to the office, or Sandra left the apple.