With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Diana was released by Motown Records in May.
text_B: Hello World is the sixth studio album by Japanese pop rock band , Scandal .. Scandal. Scandal ( Japanese band ). pop rock. pop rock. The album was released on December 3 , 2014 in Japan by Epic and being distributed in Europe through JPU Records .. Epic. Epic / Sony Records. JPU Records. JPU Records. Hello World debuted at # 3 on the Oricon chart , selling over 35,000 copies in its first week .. Oricon. Oricon. It also reached the top spot of the Canadian iTunes Store 's World Music Chart .. iTunes Store. iTunes Store
not_related.