Dave is smart. Fiona is kind. Big things are smart. All kind things are big. Smart, big things are quiet. If Fiona is rough then Fiona is furry. If Fiona is kind and Fiona is quiet then Fiona is white. If Fiona is rough and Fiona is white then Fiona is big. If something is rough then it is kind. All white, furry things are big.
Fiona is big.