context: It is impossible that Sandra got the football. There is a better than even chance that Brian is yellow. It is impossible that Winona is a wolf.
hypothesis: It is impossible that sandra got the football, and Winona is a wolf.
valid_hypothesis: It is impossible that sandra got the football, and Winona is a wolf.
invalid_hypothesis: It is highly likely that sandra got the football, and Winona is a wolf.
hypothesis_assertion: Sandra got the football, and Winona is a wolf.