Bob is cold. Bob is round. Bob is white. Bob is young. Dave is cold. Dave is furry. Dave is kind. Dave is white. Dave is young. Erin is smart. Fiona is smart. Fiona is white. If Bob is white and Bob is young then Bob is furry. If someone is young then they are cold. If someone is cold and not white then they are furry. Smart, furry people are cold. All cold people are furry. If someone is not white then they are not furry. If Bob is cold then Bob is furry. If someone is young and not cold then they are round.
Bob is not smart.