With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Treasure was performed on a concert tour.
text_B: The 24K Magic World Tour is the third concert tour by American singer Bruno Mars , to support his album 24K Magic -LRB- 2016 -RRB- .. Bruno Mars. Bruno Mars. 24K Magic. 24K Magic ( album ). It began March 28 , 2017 , at the Sportpaleis in Antwerp , and will conclude at Perth Arena in Perth on March 29 , 2018 .. Sportpaleis. Sportpaleis. Antwerp. Antwerp. Perth Arena. Perth Arena. Perth. Perth
related.