context: We doubt that Brian is a frog. It is highly likely that Fred moved to the office. It is almost certain that Mary took the football.
hypothesis: We doubt that fred moved to the office, and Brian is a frog.
valid_hypothesis: We doubt that fred moved to the office, and Brian is a frog.
invalid_hypothesis: It is highly likely that fred moved to the office, and Brian is a frog.
hypothesis_assertion: Fred moved to the office, and Brian is a frog.