With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The first grandchild of Queen Elizabeth was Charles, Prince of Wales.
text_B: Nevenka Urbanova -LRB- Serbian Cyrillic  : Невенка Урбанова , Stari Becej , 28 March 1909 -- Belgrade , 7 January 2007 -RRB- was one of the most famous Serbian actresses .. Stari Becej. Stari Becej. Belgrade. Belgrade. Serbian Cyrillic. Serbian Cyrillic
not_related.