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