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