Bob is green. Dave is green. Dave is smart. Erin is blue. Erin is furry. Fiona is furry. Fiona is rough. If Erin is rough then Erin is smart. Furry, rough people are kind. If someone is rough and not furry then they are not blue. All kind, furry people are white. All blue, white people are not smart. All smart people are rough.
Erin is white.