context: There is little chance that Jeff dropped the apple. There is a better than even chance that Lily is green. It is probably the case that Daniel got the football. It is likely that if Lily is green, or Jeff dropped the apple, then Brian is a lion. It is probably the case that if either Jeff dropped the apple, or Lily is green, then Mary went to the bedroom. It is improbable that if Daniel got the football, and Lily is green, then Greg is gray.
hypothesis: It is impossible that either Jeff dropped the apple, or Lily is green.
valid_hypothesis: There is a better than even chance that either Jeff dropped the apple, or Lily is green.
invalid_hypothesis: It is impossible that either Jeff dropped the apple, or Lily is green.
hypothesis_assertion: Either Jeff dropped the apple, or Lily is green.