context: It is certain that Mary moved to the office. It is almost certain that Brian is a lion. We doubt that Daniel left the football.
hypothesis: It is almost certain that daniel left the football, or Brian is a lion.
valid_hypothesis: It is almost certain that daniel left the football, or Brian is a lion.
invalid_hypothesis: Chances are slight that daniel left the football, or Brian is a lion.
hypothesis_assertion: Daniel left the football, or Brian is a lion.