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