revision preference src: Queen attendants take care of the queen by feeding and grooming her. Even more important is attendants' incidental role in spreading Queen Mandibular Pheromone (QMP) throughout the hive. <SEP> tgt: Queen attendants take care of the queen by feeding and grooming her. Yet, even more important is their incidental role in spreading Queen Mandibular Pheromone (QMP) throughout the hive.