With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Hopman Cup was only founded in 1996.
text_B: The Hopman Cup is an annual international eight-team indoor hardcourt tennis tournament held in Perth , Western Australia in early January -LRB- sometimes commencing in late December -RRB- each year , which plays mixed-gender teams on a country-by-country basis .. Perth. Perth, Western Australia. Australia. Australia. hardcourt. hardcourt. tennis. tennis. tournament. tournament. Western Australia. Western Australia. The championship is named in honour of Harry Hopman -LRB- 1906 -- 1985 -RRB- , an Australian tennis player and coach who guided the country to 15 Davis Cup titles between 1938 and 1969 .. tennis. tennis. Harry Hopman. Harry Hopman. coach. Coach ( sport ). Davis Cup. Davis Cup. Since the Hopman Cup was founded in 1989 , it has been attended each year by Harry Hopman 's widow , his second wife Lucy , who travels to the tournament annually from her home in the United States .. tournament. tournament. Harry Hopman. Harry Hopman. United States. United States. The tournament is a sanctioned event in the calendar of the International Tennis Federation -LRB- ITF -RRB- , but while individual player results are tallied , they are not included in the calculation of tennis world rankings .. ITF. International Tennis Federation. tennis. tennis. tournament. tournament. International Tennis Federation. International Tennis Federation. The competition receives extensive television coverage in Australia and is an important lead-up tournament to the Australian Open each January as part of the Australian Open Series .. Australia. Australia. tournament. tournament. Australian Open. Australian Open. Australian Open Series. Australian Open Series. The winning team receives a silver cup perpetual trophy and up to 2014 the winning team members were presented with distinctive individual trophies in the shape of a tennis ball encrusted with diamonds from the Argyle diamond mine in the Kimberley region of Western Australia .. Australia. Australia. tennis. tennis. Western Australia. Western Australia. diamond. diamond. Argyle diamond mine. Argyle diamond mine. Kimberley region of Western Australia. Kimberley region of Western Australia. In 2014 and 2015 , the individual trophies were created in the shape of an intricate diamond encrusted tennis racket and ball , using just under an ounce of 18-carat white , yellow and rose gold and approximately half an ounce of pink argyle diamonds .. tennis. tennis. diamond. diamond. These trophies are valued at $ 26,000 .. Until 2012 , the Hopman Cup was played at the Burswood Dome .. Burswood Dome. Burswood Dome. Since 2013 , the Hopman Cup has been played at the Perth Arena .. Perth. Perth, Western Australia. Perth Arena. Perth Arena
related.