 Q: A coin is heads up. Tretha does not flip the coin.  Gertha does not flip the coin.  Gisi flips the coin.  Caasi does not flip the coin.  Sigurlaug flips the coin.  Jasonanthony flips the coin.  Dalrós does not flip the coin.  Vivica does not flip the coin.  Taha flips the coin.  Mica does not flip the coin.  Lynea flips the coin.  Candyce does not flip the coin.  Merill flips the coin.  Christinejoy does not flip the coin.  Creed flips the coin.  Is the coin still heads up? 