With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Big Six predominate ice hockey, and have since 1950.
text_B: Ice hockey is a contact team sport played on ice , usually in a rink , in which two teams of skaters use their sticks to shoot a vulcanized rubber puck into their opponent 's net to score points .. contact. contact sport. team sport. team sport. ice. ice. rink. Ice hockey rink. skaters. Ice skating. sticks. Ice hockey stick. shoot. Shot ( ice hockey ). vulcanized. vulcanized. puck. hockey puck. The sport is known to be fast-paced and physical , with teams usually consisting of six players each  : one goaltender , and five players who skate up and down the ice trying to take the puck and score a goal against the opposing team .. ice. ice. puck. hockey puck. goaltender. goaltender. goal. Goal ( ice hockey ). Ice hockey is most popular in Canada , central and eastern Europe , Scandinavia , and the northern regions of the United States .. Canada. Canada men's national ice hockey team. Europe. Europe. Scandinavia. Scandinavia. United States. Ice hockey in the United States. the United States. United States men's national ice hockey team. Ice hockey is the official national winter sport of Canada , where the modern version of the sport was created , and enjoys immense popularity ; alongside Canada , hockey is the most popular winter sport in Finland , Latvia , the Czech Republic , Sweden , Slovakia , Belarus and Switzerland .. winter sport. winter sport. winter. Winter Olympic Games. Canada. Canada men's national ice hockey team. national winter sport. National sport. Finland. Finland men's national ice hockey team. Latvia. Sport in Latvia. Czech Republic. Czech Republic men's national ice hockey team. Sweden. Sweden men's national ice hockey team. Slovakia. sport in Slovakia. Belarus. sport in Belarus. Switzerland. sport in Switzerland. In North America , the National Hockey League -LRB- NHL -RRB- is the highest level for men 's hockey and the most popular .. National Hockey League. National Hockey League. The Kontinental Hockey League -LRB- KHL -RRB- is the highest league in Russia and much of Eastern Europe .. Europe. Europe. Kontinental Hockey League. Kontinental Hockey League. Russia. Russia men's national ice hockey team. Eastern Europe. Eastern Europe. The International Ice Hockey Federation -LRB- IIHF -RRB- is the formal governing body for international ice hockey , with the IIHF managing international tournaments and maintaining the IIHF World Ranking .. International Ice Hockey Federation. International Ice Hockey Federation. ice. ice. IIHF World Ranking. IIHF World Ranking. Worldwide , there are ice hockey federations in 74 countries .. ice. ice. Ice hockey is believed to have evolved from simple stick and ball games played in the 18th and 19th century United Kingdom and elsewhere .. United Kingdom. United Kingdom. These games were brought to North America and several similar winter games using informal rules were developed , such as `` shinny '' and `` ice polo '' .. winter. Winter Olympic Games. ice. ice. shinny. shinny. ice polo. ice polo. The contemporary sport of ice hockey was developed in Canada , most notably in Montreal , where the first indoor hockey game was played on March 3 , 1875 .. ice. ice. Canada. Canada men's national ice hockey team. Montreal. Montreal. first indoor hockey game. first indoor hockey game. Some characteristics of that game , such as the length of the ice rink and the use of a puck , have been retained to this day .. ice. ice. rink. Ice hockey rink. puck. hockey puck. Amateur ice hockey leagues began in the 1880s , and professional ice hockey originated around 1900 .. ice. ice. professional ice hockey. professional ice hockey. The Stanley Cup , emblematic of ice hockey club supremacy , was first awarded in 1893 to recognize the Canadian amateur champion and later became the championship trophy of the NHL .. ice. ice. Stanley Cup. Stanley Cup. In the early 1900s , the Canadian rules were adopted by the Ligue Internationale de Hockey sur Glace , the precursor of the IIHF and the sport was played for the first time in the Olympics in the Olympic Games of 1920 .. 1920 Summer Olympics. Olympics. Ice hockey at the Olympic Games. Olympic Games of 1920. 1920 Summer Olympics. In international competitions , the national teams of six countries -LRB- the `` Big Six '' -RRB- predominate  : Canada , Czech Republic , Finland , Russia , Sweden and the United States .. Canada. Canada men's national ice hockey team. United States. Ice hockey in the United States. Finland. Finland men's national ice hockey team. Czech Republic. Czech Republic men's national ice hockey team. Sweden. Sweden men's national ice hockey team. Russia. Russia men's national ice hockey team. Big Six. Big Six ( hockey ). the United States. United States men's national ice hockey team. Of the 69 medals awarded all-time in men 's competition at the Olympics , only six medals were not awarded to one of those countries .. Olympics. Ice hockey at the Olympic Games. In the annual Ice Hockey World Championships , 177 of 201 medals have been awarded to the six nations .. Ice Hockey World Championships. Ice Hockey World Championships. Teams outside the `` Big Six '' have won only five medals in either competition since 1953  : All 12 Women 's Olympic and 36 IIHF World Women 's Championships medals have been awarded to one of these six countries , and every gold medal in both competitions has been won by either the Canadian national team or the United States national team .. United States. Ice hockey in the United States. Big Six. Big Six ( hockey ). the United States. United States men's national ice hockey team. Canadian national team. Canada women's national ice hockey team. United States national team. United States women's national ice hockey team. In Canada , the United States , and some European countries it is known simply as hockey ; the name `` ice hockey '' is used in places where `` hockey '' more often refers to field hockey , such as South America , Asia , Africa , Australasia , and some European countries .. ice. ice. Canada. Canada men's national ice hockey team. United States. Ice hockey in the United States. the United States. United States men's national ice hockey team. field hockey. field hockey. South America. South America. Asia. Asia. Africa. Ice hockey in Africa. Australasia. Australasia. In Russia and Ukraine , where `` hockey '' can also refer to bandy , ice hockey is often called `` hockey with puck '' .. ice. ice. puck. hockey puck. Russia. Russia men's national ice hockey team. Ukraine. Ukraine. bandy. bandy
related.