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