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