Anne is furry. Anne is not green. Charlie is red. Charlie is not young. Fiona is green. Fiona is round. Gary is blue. Gary is cold. Gary is red. Gary is not young. If someone is red then they are furry. Furry people are cold. If someone is cold and not round then they are blue. Round people are young. If Charlie is green then Charlie is furry. If someone is not cold then they are green.
Fiona is not red.