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