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