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