Alan is round. Alan is kind. Alan is blue. Charlie is young. Charlie is round. Charlie is rough. Charlie is kind. Charlie is big. Eric is rough. Eric is cold. Fred is round. Fred is cold. If someone is rough and cold then they are young. If someone is blue then they are red. If someone is big and red then they are cold. If someone is red and green and young then they are rough. If someone is blue then they are green. If someone is kind and young then they are blue. If someone is cold and round then they are young.
Eric is not round.