With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Twenty One Pilots is a strictly instrumental band.
text_B: Anderson Luis da Silva -LRB- born 13 February 1981 -RRB- , known as Luisao , is a Brazilian professional footballer who plays as a centre back for Portuguese club Benfica .. Benfica. S.L. Benfica. footballer. Association football. centre back. Defender ( association football )#Centre-back. Most of his professional career has been spent with Benfica , for which he has appeared in more than 500 official matches , holding the club record for most international matches -LRB- 123 -RRB- .. Benfica. S.L. Benfica. With Benfica , he was won 19 major titles , a record shared with Nene .. Benfica. S.L. Benfica. Nene. Nene ( footballer, born 1949 ). Luisao is the longest-serving captain in Benfica history .. Benfica. S.L. Benfica. captain. Captain ( association football ). A Brazilian international on 44 occasions , Luisao appeared for the country in two World Cups and three Copa America tournaments .. Brazilian international. Brazil national football team. World Cups. FIFA World Cup. Copa America. Copa America
not_related.