With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nazi Germany promoted Buick.
text_B: Kallar Kahar Interchange is an interchange on the M2 motorway in District Chakwal .. Chakwal. Chakwal. M2 motorway. M2 motorway ( Pakistan ). It exits the M2 at Choa Road .
not_related.