With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Björk performed in Dancer in the Dark.
text_B: The 2011 Campeonato Argentino de Rugby 2011 , the most important tournament for provincial teams in Argentina , and the older national tournament was played between 26 March and 23 April .. Campeonato Argentino. Campeonato Argentino. The victory rose to the selection of Union Cordobesa de Rugby led by the former Italian national team player Ramiro Pez .. Union Cordobesa de Rugby. Union Cordobesa de Rugby. Ramiro Pez. Ramiro Pez. Like in the previous season , the teams were divided on three levels -LRB- `` Campeonato '' , `` Ascenso '' , `` Promocional '' -RRB- with a promotion / relegation format between the levels .
not_related.