With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Justin Bieber has sold an estimated 100 million records.
text_B: Noria Muelwa Mabasa -LRB- born 1938 , Shigalo -LRB- Xigalo -RRB- , Venda , South Africa -RRB- is a Venda artist , who works primarily in the ceramic and wood mediums .. Shigalo. Shigalo. Venda. Venda. South Africa. South Africa. artist. artist
not_related.