Alan is young. Alan is rough. Alan is blue. Bob is rough. Bob is kind. Bob is green. Charlie is cold. Charlie is blue. If someone is rough and nice and blue then they are young. If someone is blue and rough then they are nice. If someone is rough then they are blue. If someone is green and nice then they are rough. If someone is kind and rough and cold then they are young. If someone is round and cold then they are nice.
Bob is not young.