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