With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Slash left a band in 2005.
text_B: The knockout stage of the 2011 Rugby World Cup began on 8 October with a quarter-final between Ireland and Wales and concluded on 23 October with the final at Eden Park in Auckland .. Ireland. Ireland national rugby union team. Wales. Wales national rugby union team. final. 2011 Rugby World Cup Final. Eden Park. Eden Park. Auckland. Auckland. New Zealand were the first team to qualify for the knockout stage , when they beat France 37 -- 17 in their penultimate Pool A game .. New Zealand and France re-encountered in the final , that was won by the local team 8 -- 7 .. final. 2011 Rugby World Cup Final. This was a rematch of the 1987 final , also in Eden Park and also won by New Zealand .. final. 2011 Rugby World Cup Final. Eden Park. Eden Park. 1987 final. 1987 Rugby World Cup Final. This way , New Zealand got their second title , while France their third final .. final. 2011 Rugby World Cup Final. For the first time in World Cup history , three teams that finished second in their respective pools qualified for the semi-finals , while South Africa became the second defending champions not to reach the semi-finals after Australia in 1995 .. Furthermore , the bottom half of the bracket was entirely composed of the 2012 Rugby Championship teams and the other half was composed of the last four Six Nations champions since the last World Cup .. 2012 Rugby Championship. 2012 Rugby Championship. Six Nations. Six Nations Championship
not_related.