context: It is likely that Mary moved to the office. We doubt that Julius is a rhino. It is highly likely that Brian is a swan.
hypothesis: It is almost certain that either Mary moved to the office, or Brian is a swan.
valid_hypothesis: It is probably not the case that either Mary moved to the office, or Brian is a swan.
invalid_hypothesis: It is almost certain that either Mary moved to the office, or Brian is a swan.
hypothesis_assertion: Either Mary moved to the office, or Brian is a swan.