Anne is blue. Anne is green. Anne is rough. Charlie is quiet. Dave is young. Fiona is quiet. Fiona is white. Quiet, young people are rough. If someone is blue then they are quiet. If someone is white and furry then they are rough. If someone is young then they are white. If someone is quiet then they are furry. Furry people are blue. All green, furry people are white. All furry, rough people are young.
Fiona is not blue.