Fiona is strong. Fiona is huge. Harry is thin. Harry is short. Bob is nice. Charlie is rough. Charlie is poor. If someone is not big then they are rough. If someone is not bad then they are wealthy. If someone is nice then they are kind. If someone is kind and not dull then they are smart. If someone is rough and not big then they are sad. If someone is thin and short then they are dull. If someone is dull and not kind then they are poor. All wealthy people are quiet. 
Fiona is not sad.