Alan is round. Alan is red. Alan is green. Charlie is round. Charlie is cold. Dave is red. Dave is kind. Dave is blue. Gary is round. Gary is big. If someone is young and round and cold then they are blue. If someone is round and young then they are rough. If someone is red and green and round then they are young. If someone is blue and round and rough then they are green. If someone is blue and green and nice then they are young. If someone is rough then they are blue. If someone is blue and young then they are rough.
Alan is not rough.