@Test
public void testTrainingExtraction_simpleDate3() throws Exception {

    List<String> input = Arrays.asList("1943-1944");
    StringBuilder sb = target.trainingExtraction(input);
    String output = sb.toString();
    assertThat(output, is("\t<date><year>1943</year>-</date>\n\t<date><year>1944</year></date>\n"));
}