The document provides a tip for what to do if you find a cockroach in your soup at a restaurant. It advises dropping a 5 rupee coin into the soup bowl without the waiter seeing, so that when a fresh bowl is brought you can check if the coin is at the bottom - if it's there, it's the same soup, so complain and don't return to the restaurant, but if not there, it is actually a new bowl of soup and you've ensured you aren't eating cockroach soup, despite losing 5 rupees.