Bob is furry. Charlie is furry. Charlie is green. Charlie is nice. Charlie is rough. Charlie is young. Dave is nice. Dave is smart. Harry is green. Harry is rough. If Harry is young and Harry is furry then Harry is quiet. If someone is green and furry then they are nice. Furry, young people are rough. If someone is young then they are nice. All nice, green people are young. If someone is quiet and rough then they are furry. If someone is smart then they are quiet. If someone is rough then they are smart. All smart, furry people are nice.
Dave is rough.