I recently saw a performer who started his routine with one of those math formula things (pick a number from 1 to something and then do certain things to it, including at one point adding digits) and then change the number you ended with to the corresponding letter of the alphabet, think of a country beginning with that letter, think of an animal with a name starting with the last letter of the country's name, and think of a fruit beginning with the last letter of the animal's name. He then announced that our last three answers were Denmark, kangaroo, and orange. The whole thing was based on the math formula ending with four, so the country that people would choose would most likely be Denmark and the other choices would be likely to follow. Most of the audience must have made the "correct" choice of Denmark, because there was much applause, laughter, and people turning to look at each other in amazement--except for me. I had chosen Dominican Republic!