context: It is probably the case that Julius is a swan. It is improbable that Greg is gray. It is highly likely that Jeff put down the apple.
hypothesis: There is little chance that either Greg is gray, or Julius is a swan.
valid_hypothesis: It is likely that either Greg is gray, or Julius is a swan.
invalid_hypothesis: There is little chance that either Greg is gray, or Julius is a swan.
hypothesis_assertion: Either Greg is gray, or Julius is a swan.