context: It is certain that Brian is a swan. It is unlikely that Mary left the football. It is certain that Jessica is a cat.
hypothesis: It is probably not the case that jessica is a cat, and Brian is a swan.
valid_hypothesis: It is certain that jessica is a cat, and Brian is a swan.
invalid_hypothesis: It is probably not the case that jessica is a cat, and Brian is a swan.
hypothesis_assertion: Jessica is a cat, and Brian is a swan.