Harry is high. Harry is strong. Alan is thin. Alan is short. Fiona is quiet. Dave is dull. Dave is rough. If someone is not big then they are dull. If someone is not poor 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 dull and not big then they are bad. If someone is thin and short then they are sad. If someone is sad and not kind then they are rough. All wealthy people are nice. 
Alan is not rough.