Anne is young. Dave is blue. Fiona is round. Gary is not red. If someone is not white then they are blue. If someone is young then they are not green. All blue people are young. If someone is green and young then they are round. If someone is round then they are blue. If someone is green and not young then they are round. If someone is not blue then they are not young. If someone is green and not round then they are not blue.
Anne is young.