Anne is quiet. Bob is big. Bob is not quiet. Dave is cold. Dave is nice. Dave is quiet. Dave is round. Harry is cold. Harry is furry. Harry is nice. Harry is round. Harry is young. All cold, furry people are quiet. Round people are young. All quiet, nice people are big. All nice, young people are cold. If someone is young then they are cold. All quiet people are round. If someone is cold then they are nice. If someone is not young then they are nice. If someone is big and not nice then they are not round.
Harry is not furry.