context: It is probably not the case that Daniel got the football. It is certain that John went to the office. It is highly unlikely that Emily is a mouse. It is almost certain that if Daniel got the football, and Emily is a mouse, then Bernhard is green. It is unlikely that if John went to the office, and Emily is a mouse, then Sandra took the apple. It is highly unlikely that if Emily is a mouse, and Daniel got the football, then Julius is a swan.
hypothesis: It is impossible that julius is a swan, and Daniel got the football.
valid_hypothesis: It is impossible that julius is a swan, and Daniel got the football.
invalid_hypothesis: It is likely that julius is a swan, and Daniel got the football.
hypothesis_assertion: Julius is a swan, and Daniel got the football.