With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Knight is the occupation of Jaime Lannister.
text_B: The Old Guard -LRB- French Vieille Garde -RRB- were the elite veteran elements of the Emperor Napoleon 's Imperial Guard .. Imperial Guard. Imperial Guard ( Napoleon I ). As such it was the most prestigious formation in Napoleon 's Grande Armee .. Grande Armee. Grande Armee. French soldiers often referred to Napoleon 's Imperial Guard as `` the Immortals . ''. Imperial Guard. Imperial Guard ( Napoleon I ). The Old Guard was formed of veteran soldiers who had served Napoleon since his earliest campaigns .. It is believed that Napoleon hand-selected members of his Old Guard based on physical traits , most notably above-average height .. Their imposing stature was likely impressive to foes and allies alike .. Serving in the army for several years as well as a citation for bravery were also taken into consideration when selecting troops into the Old Guard .
not_related.