public function takeNoticeOfRemovedInteraction(Interaction $interaction, Item $item){
        $irpExisted = false;
        foreach($this->components as $key => $irp){
            if($irp->getResponse() === $interaction->getResponse()){
                unset($this->components[$key]);
                $irpExisted = true;
                break;
            }
        }
        if(!$irpExisted){
            common_Logger::w('InstanceResponseProcessing not found for removed interaction '.$interaction->getIdentifier(), array('TAOITEMS', 'QTI'));
        }
    }