context: There is little chance that Sandra left the football. It is almost certain that Fred dropped the apple. It is improbable that Lily is gray.
hypothesis: We doubt that either Sandra left the football, or Fred dropped the apple.
valid_hypothesis: It is highly likely that either Sandra left the football, or Fred dropped the apple.
invalid_hypothesis: We doubt that either Sandra left the football, or Fred dropped the apple.
hypothesis_assertion: Either Sandra left the football, or Fred dropped the apple.