Bob is green. Bob is round. Dave is big. Dave is blue. Dave is furry. Dave is green. Dave is nice. Dave is quiet. Fiona is furry. Harry is green. Green, furry people are nice. Round people are furry. All round, green people are furry. If someone is nice then they are big. All nice, blue people are green. All green, nice people are furry. All big, furry people are quiet. All nice people are blue.
Bob is not nice.