public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
            String line = value.toString();
            String[] lineArray = line.split(",");
            String lastWord = lineArray[lineArray.length - 1];
            String[] genreArray = lastWord.split("\\|");
            for (String genre_value : genreArray) {
                word.set(genre_value);
                context.write(word, one);
            }
        }