Question: 2014


Sample: 2017

Answer: ooooo


Sample: 2015

Answer: ___o

Sample: 2013

Answer: patapata


Keywords: Google, April Fools’ day


Solution:
  1. Look up for the list of past Google Japanese IME April Fools’ jokes.
  2. Look for the landing page URL of the joke in 2014.
  3. Find the part of the URL representing the joke.

Answer: m9