With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lahore is home to zero UNESCO World Heritage Sites.
text_B: Sungai Durian , or `` Durian River '' , is a district -LRB- Kecamatan -RRB- of Kotabaru Regency in the province of South Kalimantan , Indonesia .. Indonesia. Indonesia. South Kalimantan. South Kalimantan. Kotabaru. Kotabaru Regency. Durian. Durian. Kotabaru Regency. Kotabaru Regency. The population is entirely rural .
not_related.