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