 Q: A coin is heads up. Keitarou flips the coin.  Didio does not flip the coin.  Duriyah does not flip the coin.  Brígida does not flip the coin.  Erxhan does not flip the coin.  Marijona flips the coin.  Fujio flips the coin.  Is the coin still heads up? 
 Q: A coin is heads up. Keitarou flips the coin.  Didio does not flip the coin.  Duriyah does not flip the coin.  Brígida does not flip the coin.  Erxhan does not flip the coin.  Marijona flips the coin.  Fujio flips the coin.  Is the coin still heads up? 