Fiona is strong. Fiona is high. Harry is small. Harry is little. Dave is quiet. Bob is rough. Bob is poor. If someone is not big then they are rough. If someone is not bad then they are nice. If someone is quiet then they are smart. If someone is smart and not sad then they are wealthy. If someone is rough and not big then they are dull. All dull people are thin. If someone is small and little then they are sad. If someone is sad and not smart then they are poor. If someone is poor then they are young. If someone is nice then they are kind. All kind people are clever. All wealthy people are old. 
Fiona is not thin.