context: It is highly unlikely that John moved to the office. It is impossible that Sandra left the football. It is certain that Jeff dropped the apple. It is highly unlikely that if Sandra left the football, and Jeff dropped the apple, then Greg is green. It is probably the case that if John moved to the office, or Sandra left the football, then Bernhard is a swan. It is probably the case that if Sandra left the football, or John moved to the office, then Brian is gray.
hypothesis: There is a better than even chance that john moved to the office, and Sandra left the football.
valid_hypothesis: It is impossible that john moved to the office, and Sandra left the football.
invalid_hypothesis: There is a better than even chance that john moved to the office, and Sandra left the football.
hypothesis_assertion: John moved to the office, and Sandra left the football.