function rps(player1, player2) {
  if (player1 == player2) return 'Draw!'; 
  
  if ((player1 == 'rock' && player2 == 'scissors') ||
      (player1 == 'scissors' && player2 == 'paper') ||
      (player1 == 'paper' && player2 == 'rock')) {
    return 'Player 1 won!';
  }
  
  return 'Player 2 won!';
}