context: It is impossible that Sandra left the football. There is little chance that Mary moved to the office. It is likely that Lily is a swan.
hypothesis: It is highly unlikely that mary moved to the office, and Lily is a swan.
valid_hypothesis: It is highly unlikely that mary moved to the office, and Lily is a swan.
invalid_hypothesis: It is almost certain that mary moved to the office, and Lily is a swan.
hypothesis_assertion: Mary moved to the office, and Lily is a swan.