Bob is strong. Bob is huge. Harry is thin. Harry is tiny. Alan is quiet. Dave is sad. Dave is rough. If someone is not big then they are sad. If someone is not poor then they are nice. If someone is quiet then they are kind. If someone is kind and not bad then they are wealthy. If someone is sad and not big then they are dull. All dull people are little. If someone is thin and tiny then they are bad. If someone is bad and not kind then they are rough. If someone is rough then they are young. If someone is nice then they are clever. All clever people are smart. All wealthy people are old. 
Harry is not young.