He tried his best to hide his confusion and continued. “The goal is to print these numbers, but if the number is divisible by three, print Fizz instead, and if the number is divisible by five, print Buzz instead.” She contemplated what he had said, carefully mulling over the nature of the problem. This does not bode well, the interviewer felt. Were her credentials even real? Before he could dwell on this further, she spoke up. “The rules you specified are nondeterministic!” she exclaimed. “If the number is divisible by fifteen, there are two possible options. Which one is preferred?”