Dave is blue. Dave is furry. Dave is nice. Dave is rough. Dave is round. Dave is smart. Dave is young. Erin is rough. Erin is round. Erin is smart. Round, furry people are smart. All blue, rough people are nice. All rough people are nice. If someone is blue then they are furry. All blue people are young. If someone is furry then they are round.
Erin is not nice.