// for stuff like #1000351

static class LMap extends LearnerImpl {

  static boolean debug;

  Map<String, String> map = new TreeMap<String, String>();

  public void processInOut(Object _in, Object _out) {

    List<String> in = cast _in;

    List<String> out = cast _out;

    if (in.size() != out.size()) fail();

    for (int i = 0; i < in.size(); i++) {

      String a = in.get(i), b = out.get(i);

      if (!a.equals(b))

        map.put(a, b);

    }

  }

  public Object processIn(Object _in) {

    List<String> in = cast _in;

    new List<String> out;

    for (int i = 0; i < in.size(); i++) {

      String a = in.get(i), b = map.get(a);

      out.add(b != null ? b : a);

    }

    return out;

  }

}