With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Antonio Vivaldi was Italian.
text_B: Manjusri Monastery -LRB- Манзушри Хиид , Manzushir Khiid alternately translated as Manzushir -RRB- is a former Buddhist monastery established in 1733 and destroyed by Mongolian communists in 1937 .. Manjusri. Manjusri. Its ruins are located approximately 15 kilometers -LRB- as the crow flies , 43 kilometers by car -RRB- south of the Mongolian capital Ulaanbaatar on the south slope of Bogd Khan Uul mountain .. Ulaanbaatar. Ulaanbaatar. Bogd Khan Uul. Bogd Khan Mountain
not_related.