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