Bob is huge. Bob is strong. Erin is small. Erin is short. Anne is quiet. Dave is rough. Dave is dull. If someone is not high then they are rough. 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 rough and not high then they are poor. If someone is small and short then they are sad. If someone is sad and not kind then they are dull. All wealthy people are nice. 
Dave is nice.