Anne is rough. Anne is smart. Dave is furry. Fiona is big. Fiona is blue. Fiona is furry. Fiona is white. Harry is big. Harry is blue. Harry is round. Harry is smart. Harry is white. If someone is white then they are blue. All blue, furry people are smart. Furry people are blue. If Dave is smart and Dave is big then Dave is white. All smart, rough people are round. Furry, white people are rough. All furry people are big. All round people are white. Blue, rough people are white.
Anne is not white.