old_contents: (function (window) {
    function ViolinGame() {
      this.numOfQuestionSet = 14;
  
      this.question = ["Blue", "Green", "Yellow"];
      this.answer = ["true", "false", "true"];
    }
  
    ViolinGame.prototype.resetGame = function(){
      this.randomiseAnswer();
    };
  
    ViolinGame.prototype.randomiseAnswer = function() {
      var fileReader = new FileReader();
      var selectedSet = '';
      var self = this;
      fileReader.readLine(this.selectAnswerSet()).then(function(data){
        selectedSet = data.split("|");
        self.answer = selectedSet[1].split(',');
        self.question = selectedSet[0];
        $('#questionSet', '#violinGame').text(self.question);
        $('#answer', '#violinGame').text(self.answer);
        return self.answer;
      });
    };
  
    ViolinGame.prototype.selectAnswerSet = function() {
      return Math.floor(Math.random() * this.numOfQuestionSet);
    };
  
    window.ViolinGame = ViolinGame;
  })(window);
  
new_contents: (function (window) {
    function ViolinGame() {
      this.numOfQuestionSet = 14;
  
      this.question = ["Blue", "Green", "Yellow"];
      this.answer = ["true", "false", "true"];
    }
  
    ViolinGame.prototype.resetGame = function(){
      return this.randomiseAnswer();
    };
  
    ViolinGame.prototype.randomiseAnswer = function() {
      var fileReader = new FileReader();
      var selectedSet = '';
      var self = this;
      fileReader.readLine(this.selectAnswerSet()).then(function(data){
        selectedSet = data.split("|");
        self.answer = selectedSet[1].split(',');
        self.question = selectedSet[0];
        $('#questionSet', '#violinGame').text(self.question);
        $('#answer', '#violinGame').text(self.answer);
        return self.answer;
      });
    };
  
    ViolinGame.prototype.selectAnswerSet = function() {
      return Math.floor(Math.random() * this.numOfQuestionSet);
    };
  
    window.ViolinGame = ViolinGame;
  })(window);
  
subject: return answer for violin