context: It is unlikely that Sandra got the apple. It is probably not the case that Julius is white. It is highly unlikely that Brian is gray.
hypothesis: It is probably not the case that brian is gray, or Julius is white.
valid_hypothesis: It is probably not the case that brian is gray, or Julius is white.
invalid_hypothesis: We believe that brian is gray, or Julius is white.
hypothesis_assertion: Brian is gray, or Julius is white.