With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There is a band called Coldplay.
text_B: Aristov is a Russian surname of Greek roots .. Greek. Greece. Notable people with this surname include  :. Anton Aristov , an Estonian footballer. Anton Aristov. Anton Aristov. Averky Aristov , a Soviet politician and diplomat. Averky Aristov. Averky Aristov. Nikolai Aristov , a Russian turkologist. Nikolai Aristov. Nikolai Aristov. Viktor Aristov -LRB- football manager -RRB- , a Ukrainian football manager from Russia. Russia. Russia
not_related.