With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: FC Barcelona is based in Barcelona.
text_B: Andreas Obst -LRB- born July 3 , 1996 -RRB- is a German professional basketball player , who currently plays on loan for Gießen 46ers .. Gießen 46ers. Gießen 46ers. basketball. basketball
not_related.