code: public String getLemma() {
  		StringBuilder builder = new StringBuilder();
  		int i = 0;
  		for(TermWord tw:this.term.getWords()) {
  			if(i>0)
  				builder.append(TermSuiteConstants.WHITESPACE);
  			builder.append(tw.getWord().getLemma());
  			i++;
  		}
  		return builder.toString();
  	}
docs: Returns the concatenation of inner words' lemmas.