code: function(fact) {
          var subject, predicate, object;
  
          /*if (fact.fromTriple !== undefined) {
              return fact.fromTriple;
          }*/
  
          if(fact.falseFact) {
              return '';
          }
  
          subject = this.parseStrEntityToTurtle(fact.subject);
          predicate = this.parseStrEntityToTurtle(fact.predicate);
          object = this.parseStrEntityToTurtle(fact.object);
  
          if (subject && predicate && object) {
              return subject + ' ' + predicate + ' ' + object + ' . ';
          } else {
              return '';
          }
      }
docs: Transforms a fact into turtle.
  @param fact
  @returns {string}