public void Play(Shake firstPlayerShake, Shake secondPlayerShake)
        {
            // first player
            if (firstPlayerShake.Equals(Shake.Paper))
            {
                _console.ReadLine().Returns("p");
            }
            else if (firstPlayerShake.Equals(Shake.Rock))
            {
                _console.ReadLine().Returns("r");
            }
            else
            {
                _console.ReadLine().Returns("s");
            }

            // second player
            if (secondPlayerShake.Equals(Shake.Paper))
            {
                _generator.GenerateHandShake().Returns(Shake.Paper);
            }
            else if (secondPlayerShake.Equals(Shake.Rock))
            {
                _generator.GenerateHandShake().Returns(Shake.Rock);
            }
            else
            {
                _generator.GenerateHandShake().Returns(Shake.Scissors);
            }

            // Play!
            Referee.PlayNewGame();
        }