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