bort</button>
          <button id="clear-btn">Clear</button>
      </div>
      <!-- Here start the new part for updating the application db -->
      <h3>Update</h3>
      <div>
          <input id="X" class="arg" type="text" placeholder="Parent">
          <input id="Y" class="arg" type="text" placeholder="Child">
      </div>
      <div>
          Parent is:
          <input class="radio" type="radio" name="sex" value="father_child" checked>Male
          <input class="radio" type="radio" name="sex" val