Dave is big. Dave is green. Dave is kind. Dave is quiet. Fiona is big. Fiona is green. Gary is furry. Gary is green. Gary is kind. Gary is quiet. Harry is big. Harry is furry. Harry is green. Harry is rough. Harry is white. If Fiona is rough then Fiona is quiet. If Dave is furry and Dave is big then Dave is rough. If someone is rough and big then they are furry. If someone is big then they are quiet. Quiet, kind people are rough. All green, furry people are big.
Fiona is not kind.