context: It is unlikely that Mary went to the kitchen. It is highly likely that Daniel left the football. It is certain that Brian is white.
hypothesis: We doubt that brian is white, or Mary went to the kitchen.
valid_hypothesis: It is certain that brian is white, or Mary went to the kitchen.
invalid_hypothesis: We doubt that brian is white, or Mary went to the kitchen.
hypothesis_assertion: Brian is white, or Mary went to the kitchen.