Alan is kind. Dave is young. Dave is red. Dave is cold. Dave is big. Fred is rough. Fred is nice. Fred is kind. Harry is round. Harry is rough. If someone is red and green then they are rough. If someone is round and red then they are nice. If someone is big and young then they are green. If someone is rough and green then they are nice. If someone is big and young then they are blue.
Dave is rough.