docs: private static Collection<String> addOtherClasses(Collection<String> feats, List<? extends CoreLabel> info,
                                       int loc, Clique c) {
      String addend = null;
      String pAnswer = info.get(loc - 1).get(AnswerAnnotation.class);
      String p2Answer = info.get(loc - 2).get(AnswerAnnotation.class);
      String p3Answer = info.get(loc - 3).get(AnswerAnnotation.class);
      String p4Answer = info.get(loc - 4).get(AnswerAnnotation.class);
      String p5Answer = info.get(loc - 5).get(AnswerAnnotation.class);
      String nAnswer = info.get(loc + 1).get(AnswerAnnotation.class);
      // cdm 2009: Is this really right? Do we not need to differentiate names that would collide???
      if (c == FeatureFactory.cliqueCpC) {
        addend = '|' + pAnswer;
      } else if (c == FeatureFactory.cliqueCp2C) {
        addend = '|' + p2Answer;
      } else if (c == FeatureFactory.cliqueCp3C) {
        addend = '|' + p3Answer;
      } else if (c == FeatureFactory.cliqueCp4C) {
        addend = '|' + p4Answer;
      } else if (c == FeatureFactory.cliqueCp5C) {
        addend = '|' + p5Answer;
      } else if (c == FeatureFactory.cliqueCpCp2C) {
        addend = '|' + pAnswer + '-' + p2Answer;
      } else if (c == FeatureFactory.cliqueCpCp2Cp3C) {
        addend = '|' + pAnswer + '-' + p2Answer + '-' + p3Answer;
      } else if (c == FeatureFactory.cliqueCpCp2Cp3Cp4C) {
        addend = '|' + pAnswer + '-' + p2Answer + '-' + p3Answer + '-' + p4Answer;
      } else if (c == FeatureFactory.cliqueCpCp2Cp3Cp4Cp5C) {
        addend = '|' + pAnswer + '-' + p2Answer + '-' + p3Answer + '-' + p4Answer + '-' + p5Answer;
      } else if (c == FeatureFactory.cliqueCnC) {
        addend = '|' + nAnswer;
      } else if (c == FeatureFactory.cliqueCpCnC) {
        addend = '|' + pAnswer + '-' + nAnswer;
      }
      if (addend == null) {
        return feats;
      }
      Collection<String> newFeats = new HashSet<String>();
      for (String feat : feats) {
        String newFeat = feat + addend;
        newFeats.add(newFeat);
      }
      return newFeats;
    }