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