Complex sentence: If the card has a cash value on its reverse, the contestant may choose to either quit the game and take that amount, or continue and repeat the process with another card that they believe does not show the correct price.
Split into simpler sentences: If the card has a cash value on its reverse, the contestant may choose to either quit the game and take that amount, or continue and select another card. If they do not quit, the contestant repeats the process selecting a card that they believe does not show the correct price.