code: package systemstesting;
  
  import UptodatAnswers.CuratedAnswer;
  import java.io.FileReader;
  import java.io.IOException;
  import java.util.ArrayList;
  import org.json.JSONArray;
  import org.json.JSONException;
  import org.json.JSONObject;
  import org.json.simple.parser.JSONParser;
  import static systemstesting.Evaluator.evaluate;
  import static systemstesting.Evaluator.systemAnswersList;
  
  /**
   *
   * @author aorogat
   */
  public class Evaluator_AskNow extends Evaluator
  {
      public static void main(String[] args) throws JSONException, Exception {
          Evaluator_AskNow evaluator = new Evaluator_AskNow();
          evaluate(evaluator);
      }
      
      @Override
      public ArrayList<String> answer(String question) throws IOException, JSONException {
          try {
              systemAnswersList = new ArrayList<>();
  
              //1- Get SPARQL Query data from File
              String sparqlQuery = "";
              
              JSONParser parser = new JSONParser();
              try {
                  //Object obj = parser.parse(new FileReader("qald_"+benchmark+"_answers.json"));
                  Object obj = parser.parse(new FileReader("lcquad_answers.json"));
                  
                  JSONArray jsonObject = new JSONArray(obj.toString());
                  JSONObject questionResponse = null;
                          
                  for (Object c : jsonObject) {
                      JSONObject current = (JSONObject) c;
                      String currentQuestion = current.getString("questionString")
                              .replaceAll("\\u0027", "'");
                      String currentQuery = current.getString("generatedSparql");
                      
                      if(currentQuestion.trim().toLowerCase().equals(question.trim().toLowerCase()))
                      {
                          questionResponse = current;
                          sparqlQuery = currentQuery;
                          //System.out.println(currentQuestion);
                          //System.out.println(currentQuery);
                          break;
                      }
                  }
                  
                  
              } catch (Exception e) {
                  System.out.println("Json Error");
                  e.printStackTrace();
              }
              
              if (sparqlQuery == null) {
                  sparqlQuery = "";
              }
              
              sparqlQuery = sparqlQuery.replaceAll("\\u003c", "<").replaceAll("\\u003e", ">");
              
              System.out.println("               " + sparqlQuery);
  
              //2- Get Answer from DBpedia
              if (!sparqlQuery.equals("")) {
                  systemAnswersList = CuratedAnswer.upToDateAnswerDBpedia(sparqlQuery, "dbpedia");
              } else {
                  systemAnswersList = new ArrayList<>();
              }
              
          } catch (Exception eex) {
              eex.printStackTrace();
          }
          return systemAnswersList;
      }
      
  }
  