With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Zendaya and Bella Thorne released a single together.
text_B: Tomasz Jaszczuk -LRB- born 9 March 1992 in Siedlce -RRB- is a Polish athlete specialising in the long jump .. Siedlce. Siedlce. Polish. Poland. long jump. long jump. He finished fourth at the 2017 European Indoor Championships .. 2017 European Indoor Championships. 2017 European Athletics Indoor Championships. He also won the silver medal at the 2011 European Junior Championships .. 2011 European Junior Championships. 2011 European Athletics Junior Championships. His personal bests in the event are 8.15 metres outdoors -LRB- +1.2 m / s , Szczecin 2014 -RRB- and 7.98 metres indoors -LRB- Belgrade 2017 -RRB- .
not_related.