Dave is big. Dave is furry. Dave is green. Erin is big. Fiona is big. Fiona is green. Fiona is rough. Gary is big. Gary is quiet. Gary is rough. Gary is white. If someone is furry and big then they are quiet. If someone is green then they are furry. If someone is green then they are quiet. White, furry people are nice. Rough, big people are quiet. All nice people are white. All furry, big people are nice. White, green people are rough. All big people are green.
Erin is not rough.