With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George Tuska was a vegan.
text_B: Mark Pearson -LRB- born 18 June 1987 in Vancouver , British Columbia , Canada -RRB- is a Canadian field hockey player .. Vancouver. Vancouver. British Columbia. British Columbia. field hockey. field hockey. He has represented Canada at the 2006 Commonwealth Games in Melbourne , the 2008 Olympic Games in Beijing , and the 2010 Men 's Hockey World Cup in Delhi , India .. 2006 Commonwealth Games. 2006 Commonwealth Games. Melbourne. Melbourne. 2008 Olympic Games. 2008 Olympic Games. Beijing. Beijing. Delhi. Delhi. From 2009 , he played for Der Club an der Alster , Hamburg , Germany .. Der Club an der Alster. Der Club an der Alster. In 2016 , he was named to Canada 's Olympic team .
not_related.