Bob is furry. Bob is nice. Bob is round. Dave is big. Dave is nice. Dave is round. Fiona is furry. Fiona is nice. Harry is nice. Harry is rough. Harry is round. Harry is young. All smart people are furry. If Dave is young and Dave is nice then Dave is round. All round, smart people are rough. All rough people are smart. All furry people are young. If someone is round then they are furry. If someone is rough and young then they are big. All round, furry people are rough.
Dave is rough.