code: protected String getLabel(ArgumentComponent argumentComponent, Token token)
      {
          StringBuilder sb = new StringBuilder(argumentComponent.getClass().getSimpleName());
  
          if ("BIO".equals(this.codingGranularity)) {
              // Does the component begin here?
              if (argumentComponent.getBegin() == token.getBegin()) {
                  sb.append(B_SUFFIX);
              }
              else {
                  sb.append(I_SUFFIX);
              }
          }
          else {
              sb.append(I_SUFFIX);
          }
  
          return sb.toString();
      }
docs: Returns a label for the annotated token
  
  @param argumentComponent covering argument component
  @param token             token
  @return BIO label