Anne is not rough. Anne is white. Anne is young. Dave is kind. Dave is nice. Dave is white. Dave is young. Fiona is blue. Fiona is furry. Fiona is kind. Fiona is nice. Fiona is rough. Fiona is white. Fiona is young. Harry is furry. Harry is rough. If something is blue and rough then it is white. If something is blue then it is rough. All furry things are nice. If Fiona is blue then Fiona is young. All nice things are young. If something is rough and young then it is kind. Kind, furry things are blue.
Fiona is not rough.