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