Bob is young. Gary is kind. Harry is round. If someone is kind and not blue then they are rough. If Bob is blue then Bob is not young. If someone is rough then they are young. If someone is green and nice then they are kind. All kind people are green. If someone is kind and not nice then they are rough. If Bob is green and Bob is not rough then Bob is kind. If Gary is not green then Gary is not blue.
Bob is nice.