With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Roger Federer coaches a racket sport.
text_B: Edward Gaming -LRB- EDG -RRB- , -LRB- stylized EDward Gaming -RRB- is a professional eSports League of Legends team in China .. China. China. League of Legends. League of Legends. eSports. eSports. It competes in the League of Legends Pro League -LRB- LPL -RRB- and plays games in the Shanghai Electric Industrial Park in Shanghai .. Shanghai. Shanghai. League of Legends. League of Legends. League of Legends Pro League. League of Legends Pro League. The team was formed by members of World Elite in spring 2014 after they left the team .. EDG won the 2015 League of Legends Mid-Season Invitational .. League of Legends. League of Legends
not_related.