context: There is little chance that John went to the garden. It is probable that Julius is a swan. It is certain that Greg is yellow.
hypothesis: There is little chance that greg is yellow, or Julius is a swan.
valid_hypothesis: It is certain that greg is yellow, or Julius is a swan.
invalid_hypothesis: There is little chance that greg is yellow, or Julius is a swan.
hypothesis_assertion: Greg is yellow, or Julius is a swan.