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