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