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