context: We doubt that Greg is gray. It is unlikely that Sandra took the apple. It is probable that Brian is white.
hypothesis: It is highly unlikely that greg is gray, and Sandra took the apple.
valid_hypothesis: It is highly unlikely that greg is gray, and Sandra took the apple.
invalid_hypothesis: It is probably the case that greg is gray, and Sandra took the apple.
hypothesis_assertion: Greg is gray, and Sandra took the apple.