With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Boston has been gentrified over time.
text_B: Armand Benneker -LRB- born June 25 , 1969 in Tongeren , Belgium -RRB- is a Dutch retired football defender .. Tongeren. Tongeren. Belgium. Belgium. Dutch. Netherlands. football. association football. defender. Defender ( association football ). He is currently a scout at FC St. Gallen .. FC St. Gallen. FC St. Gallen
not_related.