With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Memento had motifs.
text_B: Marcin Nowak -LRB- born 2 August 1977 in Stalowa Wola -RRB- is a former track and field sprint athlete who competed internationally for Poland .. Stalowa Wola. Stalowa Wola. track and field. track and field. sprint athlete. Sprint ( running ). Poland. Poland. Nowak represented Poland at the 2008 Summer Olympics in Beijing .. Poland. Poland. Poland at the 2008 Summer Olympics. Poland at the 2008 Summer Olympics. Beijing. Beijing. He competed at the 4x100 metres relay together with Marcin Jedrusinski , Dariusz Kuc and Łukasz Chyła .. 4x100 metres relay. 4x100 metres relay. Marcin Jedrusinski. Marcin Jedrusinski. Dariusz Kuc. Dariusz Kuc. Łukasz Chyła. Łukasz Chyła. In their qualification heat they did not finish due to a mistake in the baton exchange and they were eliminated .
not_related.