With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Cena is a Royal Rumble wrestling event winner for 2013.
text_B: Atletico Frigorifico was a Peruvian association football club , located in the city of Lima .. Lima. Lima. Peruvian association football club. Football in Peru. The club was founded with the name of club Atletico Frigorifico and played in Primera Division Peruana in 1931 .. Primera Division Peruana. Primera Division Peruana. The club was third place of the national tournament in 1931 and the same year Atletico Frigorifico was relegated and it was their last appearance in the Primera Division Peruana .. Primera Division Peruana. Primera Division Peruana
not_related.