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