Gary is big. Gary is huge. Erin is small. Erin is short. Dave is wealthy. Fiona is rough. Fiona is dull. If someone is not high then they are rough. If someone is not bad then they are nice. If someone is wealthy then they are quiet. If someone is quiet 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 quiet then they are dull. All nice people are kind. 
Dave is smart.