With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Louis Tomlinson was a co-founder of a boy band.
text_B: Mehdi Fennouche -LRB- born February 20 , 1993 -RRB- is an Algerian football player who plays as a Forward for Bulgarian club Lokomotiv Gorna Oryahovitsa .. Forward. Forward ( association football ). football. Association football. Lokomotiv Gorna Oryahovitsa. FC Lokomotiv Gorna Oryahovitsa
not_related.