code: public char match(ISense source, ISense target) throws MatcherLibraryException {
          List<String> sourceLemmas = source.getLemmas();
          List<String> targetLemmas = target.getLemmas();
          for (String sourceLemma : sourceLemmas) {
              for (String targetLemma : targetLemmas) {
                  if (sourceLemma.equals(targetLemma)) {
                      return IMappingElement.EQUIVALENCE;
                  }
              }
          }
          return IMappingElement.IDK;
      }
docs: Computes the relation with WordNet lemma matcher.
  
  @param source the gloss of source
  @param target the gloss of target
  @return synonym or IDk relation