With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Boston Celtics share their arena with the Boston Bruins.
text_B: The Boston Celtics -LRB- -LSB- ˈsɛltɪks -RSB- -RRB- are an American professional basketball team based in Boston , Massachusetts .. The Celtics compete in the National Basketball Association -LRB- NBA -RRB- as a member of the league 's Eastern Conference Atlantic Division .. Eastern. Eastern Conference ( NBA ). Atlantic. Atlantic Division ( NBA ). National Basketball Association. National Basketball Association. Eastern Conference. Eastern Conference ( NBA ). Atlantic Division. Atlantic Division ( NBA ). Founded in 1946 and one of eight NBA teams -LRB- out of 23 total teams -RRB- to survive the league 's first decade , the team is owned by Boston Basketball Partners LLC .. Boston Basketball Partners. Boston Basketball Partners. Frank Ramsey ( basketball ). Boston Basketball Partners LLC. Boston Basketball Partners. The Celtics play their home games at the TD Garden , which they share with the National Hockey League -LRB- NHL -RRB- 's Boston Bruins .. TD Garden. TD Garden. National Hockey League. National Hockey League. Boston Bruins. Boston Bruins. The franchise 's 17 championships are the most of any NBA team , and account for 24.3 percent of all NBA championships since the league 's founding in 1946 .. Dennis Johnson. John Havlicek. Sam Jones ( basketball ). As a percentage of championships won , the Celtics are the most successful franchise to date in the major four traditional North American professional sports leagues .. major four traditional North American professional sports leagues. Major professional sports leagues in the United States and Canada. The Celtics have played the Lakers a record 12 times in the finals , including their most recent appearances in 2008 and 2010 , where the Celtics have won nine meetings -LRB- but only two since 1980 -RRB- .. 2008 NBA Finals. 2010 NBA Finals. 1979–80 NBA season. Celtics have played the Lakers. Celtics-Lakers rivalry. Four Celtics players -LRB- Bob Cousy , Bill Russell , Dave Cowens and Larry Bird -RRB- have won the NBA Most Valuable Player Award for an NBA record total of 10 MVP awards .. Jo Jo White. Bob Cousy. Bob Cousy. Bill Russell. Bill Russell. Dave Cowens. Dave Cowens. Larry Bird. Larry Bird. NBA Most Valuable Player Award. NBA Most Valuable Player Award. Their mascot ` Lucky the Leprechaun ' is a nod to the team 's Irish heritage and to Boston 's historically large Irish population .. Lucky the Leprechaun. Lucky the Leprechaun. Irish. Ireland. The Celtics rose again after struggling through the 1990s to win a championship in 2008 with the help of Kevin Garnett , Paul Pierce , and Ray Allen in what was known as the new `` Big Three '' era , following the original `` Big Three '' era of the 1980s that featured Larry Bird , Kevin McHale , and Robert Parish .. 2008 NBA Finals. Larry Bird. Larry Bird. Kevin Garnett. Kevin Garnett. Paul Pierce. Paul Pierce. Ray Allen. Ray Allen. Kevin McHale. Kevin McHale ( basketball ). Robert Parish. Robert Parish. After the end of the second `` Big Three '' era , general manager Danny Ainge began a rebuilding process with the help of new head coach Brad Stevens , who led the Celtics to a return to the playoffs in 2015 , 2016 , and 2017 .. Danny Ainge. Danny Ainge. Brad Stevens. Brad Stevens. 2017 NBA Playoffs. 2015 NBA Playoffs. 2016 NBA Playoffs. During the 2016 -- 17 season , the Celtics clinched the top seed in the Eastern Conference playoffs .. Eastern. Eastern Conference ( NBA ). John Havlicek. Eastern Conference. Eastern Conference ( NBA ). 2016 NBA Playoffs
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