 Q: A coin is heads up. Koskinen does not flip the coin.  Pero flips the coin.  Oyindamola does not flip the coin.  Pero does not flip the coin.  Alexius-lee does not flip the coin.  Jettine does not flip the coin.  Tyrique flips the coin.  Arxhira does not flip the coin.  Zarqa flips the coin.  Katharina does not flip the coin.  Sookie does not flip the coin.  Liisamaria flips the coin.  Alisija does not flip the coin.  Jernie flips the coin.  Eisuke does not flip the coin.  Is the coin still heads up? 