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