private static AnnotationPipeline pipeline;

  @Override

  public void setUp() throws Exception {

    synchronized(DeterministicCorefAnnotatorITest.class) {

      pipeline = new AnnotationPipeline();

      pipeline.addAnnotator(new TokenizerAnnotator(false, "en"));

      pipeline.addAnnotator(new WordsToSentencesAnnotator(false));

      pipeline.addAnnotator(new POSTaggerAnnotator(false));

      pipeline.addAnnotator(new MorphaAnnotator(false));

      pipeline.addAnnotator(new NERCombinerAnnotator(false));

      pipeline.addAnnotator(new ParserAnnotator(false, -1));

      Properties corefProps = new Properties();

      corefProps.put(Constants.DEMONYM_PROP, DefaultPaths.DEFAULT_DCOREF_DEMONYM);

      corefProps.put(Constants.ANIMATE_PROP, DefaultPaths.DEFAULT_DCOREF_ANIMATE);

      corefProps.put(Constants.INANIMATE_PROP, DefaultPaths.DEFAULT_DCOREF_INANIMATE);

      pipeline.addAnnotator(new DeterministicCorefAnnotator(corefProps));

    }

  }

  public void testDeterministicCorefAnnotator() throws Exception {

    // create annotation with text

    String text = "Dan Ramage is working for\nMicrosoft. He's in Seattle!\nAt least, he used to be.  Ed is not in Seattle.";

    Annotation document = new Annotation(text);

    // annotate text with pipeline

    pipeline.annotate(document);

    // test CorefGraphAnnotation

    Map<Integer, CorefChain> corefChains = document.get(CorefCoreAnnotations.CorefChainAnnotation.class);

    Assert.assertNotNull(corefChains);

    // test chainID = m.corefClusterID

    for(int chainID : corefChains.keySet()) {

      CorefChain c = corefChains.get(chainID);

      for(CorefMention m : c.getMentionsInTextualOrder()) {

        Assert.assertEquals(m.corefClusterID, chainID);

      }

    }

    // test CorefClusterIdAnnotation

    List<CoreMap> sentences = document.get(CoreAnnotations.SentencesAnnotation.class);

    CoreLabel ramageToken = sentences.get(0).get(CoreAnnotations.TokensAnnotation.class).get(1);

    CoreLabel heToken = sentences.get(1).get(CoreAnnotations.TokensAnnotation.class).get(0);

    Integer ramageClusterId = ramageToken.get(CorefCoreAnnotations.CorefClusterIdAnnotation.class);

    Assert.assertNotNull(ramageClusterId);

    Assert.assertSame(ramageClusterId, heToken.get(CorefCoreAnnotations.CorefClusterIdAnnotation.class));

  }

  /**

   * Tests named entities with exact string matches (also tests some more pronouns).

   * @throws Exception

   */

  public void testSameString() throws Exception {

    // create annotation with text

    String text = "Your mom thinks she lives in Denver, but it's a big city.  She actually lives outside of Denver.";

    Annotation document = new Annotation(text);

    // annotate text with pipeline

    pipeline.annotate(document);

    // test CorefChainAnnotation

    Map<Integer, CorefChain> chains = document.get(CorefCoreAnnotations.CorefChainAnnotation.class);

    Assert.assertNotNull(chains);

    // test CorefGraphAnnotation

    //    List<Pair<IntTuple, IntTuple>> graph = document.get(CorefCoreAnnotations.CorefGraphAnnotation.class);

    //    Assert.assertNotNull(graph);

    //    for( Pair<IntTuple, IntTuple> pair : graph ) {

    //      System.out.println("pair " + pair);

    //    }

    // test chainID = m.corefClusterID

    for(int chainID : chains.keySet()) {

      CorefChain c = chains.get(chainID);

      for(CorefMention m : c.getMentionsInTextualOrder()) {

        Assert.assertEquals(m.corefClusterID, chainID);

      }

    }

    // test CorefClusterIdAnnotation

    List<CoreMap> sentences = document.get(CoreAnnotations.SentencesAnnotation.class);

    CoreLabel yourMomsToken = sentences.get(0).get(CoreAnnotations.TokensAnnotation.class).get(1);

    CoreLabel sheToken1 = sentences.get(0).get(CoreAnnotations.TokensAnnotation.class).get(3);

    CoreLabel sheToken2 = sentences.get(1).get(CoreAnnotations.TokensAnnotation.class).get(0);

    CoreLabel denverToken1 = sentences.get(0).get(CoreAnnotations.TokensAnnotation.class).get(6);

    CoreLabel denverToken2 = sentences.get(1).get(CoreAnnotations.TokensAnnotation.class).get(5);

    Integer yourMomsClusterId = yourMomsToken.get(CorefCoreAnnotations.CorefClusterIdAnnotation.class);

    Integer she1ClusterId = sheToken1.get(CorefCoreAnnotations.CorefClusterIdAnnotation.class);

    Integer she2ClusterId = sheToken2.get(CorefCoreAnnotations.CorefClusterIdAnnotation.class);

    Integer denver1ClusterId = denverToken1.get(CorefCoreAnnotations.CorefClusterIdAnnotation.class);

    Integer denver2ClusterId = denverToken2.get(CorefCoreAnnotations.CorefClusterIdAnnotation.class);

    Assert.assertNotNull(yourMomsClusterId);

    Assert.assertNotNull(she1ClusterId);

    Assert.assertNotNull(she2ClusterId);

    Assert.assertNotNull(denver1ClusterId);

    Assert.assertNotNull(denver2ClusterId);

    Assert.assertSame(yourMomsClusterId, she1ClusterId);

    Assert.assertSame(yourMomsClusterId, she2ClusterId);

    Assert.assertSame(denver1ClusterId, denver2ClusterId);

    Assert.assertNotSame(yourMomsClusterId, denver1ClusterId);

    // test CorefClusterAnnotation

    //    Assert.assertEquals(yourMomsToken.get(CorefCoreAnnotations.CorefClusterAnnotation.class), sheToken1.get(CorefCoreAnnotations.CorefClusterAnnotation.class));

    //    Assert.assertEquals(yourMomsToken.get(CorefCoreAnnotations.CorefClusterAnnotation.class), sheToken2.get(CorefCoreAnnotations.CorefClusterAnnotation.class));

    //    Assert.assertEquals(denverToken1.get(CorefCoreAnnotations.CorefClusterAnnotation.class), denverToken2.get(CorefCoreAnnotations.CorefClusterAnnotation.class));

  }

  public static void main(String[] args) throws Exception {

    DeterministicCorefAnnotatorITest itest = new DeterministicCorefAnnotatorITest();

    itest.testDeterministicCorefAnnotator();

  }

}