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