A poor, young knight wants to marry a beautiful princess and she wants to marry him. But the king doesn't want the marriage. He offers the knight a choice. He can draw one of two slips of paper out of a golden urn. One will say "marriage" and one will say "death". The princess is able to whisper to the knight that both slips of paper really say "death". The knight and the princess end up being wed. How does the knight accomplish this?