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