public ArrayList<String> readTestData() throws IOException{
        ArrayList<String> candAttr = new ArrayList<String>();
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String str = "";
        while (!(str = reader.readLine()).equals("")) {
            StringTokenizer tokenizer = new StringTokenizer(str);
            while (tokenizer.hasMoreTokens()) {
                candAttr.add(tokenizer.nextToken());
            }
        }
        return candAttr;
    }