With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nepal does not have a diverse geography.
text_B: Stevan Lukovic -LRB- Стеван Луковић born 16 March 1993 -RRB- is a Serbian football midfielder who plays for Zemun in the Serbian First League .. Zemun. FK Zemun. football. Association football. midfielder. midfielder. Serbian First League. Serbian First League
not_related.