Gary is big. Gary is high. Dave is little. Dave is thin. Erin is quiet. Anne is poor. Anne is rough. If someone is not huge then they are poor. 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 wealthy. If someone is poor and not huge then they are dull. If someone is little and thin then they are bad. If someone is bad and not kind then they are rough. All nice people are smart. 
Gary is not dull.