int message = info.getMessage();
boolean renderItems = info.isRenderItems();
AssessmentContext act = ai.getAssessmentContext();
// first treat messages and errors
if (info.containsMessage()) {
switch (message) {
case QTIConstants.MESSAGE_ITEM_SUBMITTED :
//item hints?
if (info.isHint()) {
Hint el_hint = info.getCurrentOutput().getHint();