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