context: It is unlikely that Fred went to the cinema. It is almost certain that Julius is green. There is a very good chance that Sumit is thirsty. We doubt that if either Sumit is thirsty, or Fred went to the cinema, then Sandra got the football. There is almost no chance that if either Fred went to the cinema, or Julius is green, then John picked up the apple. Chances are about even that if Fred went to the cinema, or Sumit is thirsty, then Lily is yellow.
hypothesis: It is impossible that sandra got the football, and John picked up the apple.
valid_hypothesis: It is impossible that sandra got the football, and John picked up the apple.
invalid_hypothesis: There is a better than even chance that sandra got the football, and John picked up the apple.
hypothesis_assertion: Sandra got the football, and John picked up the apple.