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