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