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