With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brock Lesnar is a fighter.
text_B: Brock Edward Lesnar -LRB- -LSB- ˈlɛznər -RSB- born July 12 , 1977 -RRB- is an American professional wrestler and former mixed martial artist , amateur wrestler , and professional American football player .. professional wrestler. Professional wrestling. mixed martial artist. Mixed martial arts. amateur wrestler. Amateur wrestling. American football. American football. He is signed with WWE , where he performs on the Raw brand and is the current WWE Universal Champion in his first reign .. WWE. WWE. Raw. WWE Raw. brand. WWE brand extension. WWE Universal Champion. WWE Universal Championship. first reign. List of WWE Universal Champions. After his successful amateur wrestling career at Bismarck State College and the University of Minnesota , Lesnar signed with WWE -LRB- then the World Wrestling Federation -RRB- in 2000 .. WWE. WWE. Bismarck State College. Bismarck State College. University of Minnesota. University of Minnesota. wrestling. Collegiate wrestling. He was assigned to its developmental promotion Ohio Valley Wrestling -LRB- OVW -RRB- , where he was a three-time OVW Southern Tag Team Champion with Shelton Benjamin .. developmental. Farm team#Professional wrestling. promotion. Professional wrestling promotion. Ohio Valley Wrestling. Ohio Valley Wrestling. OVW Southern Tag Team Champion. OVW Southern Tag Team Championship. Shelton Benjamin. Shelton Benjamin. After debuting on WWE 's main roster in 2002 , he won the WWE Championship on three separate occasions with victories over The Rock and Kurt Angle -LRB- twice -RRB- .. WWE. WWE. The Rock. Dwayne Johnson. Kurt Angle. Kurt Angle. Lesnar won the then WWE Undisputed Championship five months after his main roster debut at the age of 25 , becoming the youngest champion in the title 's history .. WWE. WWE. He was also the 2002 King of the Ring and the 2003 Royal Rumble winner , making him the youngest King of the Ring and Royal Rumble winner as well .. 2002 King of the Ring. King of the Ring ( 2002 ). 2003 Royal Rumble. Royal Rumble ( 2003 ). King of the Ring. King of the Ring. Royal Rumble. Royal Rumble#Match. Following his match with Goldberg at WrestleMania XX , Lesnar left the WWE and pursued a career in the National Football League -LRB- NFL -RRB- .. WWE. WWE. Goldberg. Bill Goldberg. WrestleMania XX. WrestleMania XX. National Football League. National Football League. WrestleMania. WrestleMania. He was named a defensive tackle for the Minnesota Vikings , but was cut prior to the start of the 2004 -- 2005 season .. defensive tackle. defensive tackle. Minnesota Vikings. Minnesota Vikings. In 2005 , Lesnar returned to professional wrestling and signed with New Japan Pro-Wrestling -LRB- NJPW -RRB- , where he won the IWGP Heavyweight Championship in his first match .. New Japan Pro-Wrestling. New Japan Pro-Wrestling. IWGP Heavyweight Championship. IWGP Heavyweight Championship. wrestling. Collegiate wrestling. After a contractual dispute with NJPW , he also wrestled as IWGP Heavyweight Champion in the Inoki Genome Federation -LRB- IGF -RRB- .. IWGP Heavyweight Champion. IWGP Heavyweight Championship ( IGF ). Inoki Genome Federation. Inoki Genome Federation. In 2006 , Lesnar pursued a career in mixed martial arts -LRB- MMA -RRB- , as he signed with Hero 's and won his first fight , against Min-Soo Kim , in June 2007 .. Min-Soo Kim. Kim Min-soo ( judoka ). He then signed with the Ultimate Fighting Championship -LRB- UFC -RRB- the following October .. Ultimate Fighting Championship. Ultimate Fighting Championship. Lesnar lost in his UFC debut against Frank Mir and then won his second fight against Heath Herring .. Frank Mir. Frank Mir. Heath Herring. Heath Herring. In November 2008 , Lesnar defeated Randy Couture to become the UFC Heavyweight Champion .. Randy Couture. Randy Couture. Shortly after a successful title defense in a rematch with Mir , Lesnar was sidelined due to diverticulitis .. diverticulitis. diverticulitis. He would return at UFC 116 to defeat Interim UFC Heavyweight Champion Shane Carwin and unify the heavyweight championships , becoming the Undisputed Heavyweight Champion in the process .. UFC 116. UFC 116. Shane Carwin. Shane Carwin. Lesnar then lost the championship to Cain Velasquez at UFC 121 .. Cain Velasquez. Cain Velasquez. UFC 121. UFC 121. In 2011 , he was once again sidelined due to diverticulitis and underwent surgery .. diverticulitis. diverticulitis. Lesnar returned at UFC 141 in December , losing to Alistair Overeem and promptly retiring from MMA .. UFC 141. UFC 141. Alistair Overeem. Alistair Overeem. Lesnar was a box office sensation in UFC , as he took part in a some of the best selling pay-per-view events in UFC history , including UFC 100 and UFC 116 .. UFC 116. UFC 116. box office. box office. pay-per-view. pay-per-view. events. List of UFC events. UFC 100. UFC 100. pay-per-view events. List of WWE pay-per-view events. In April 2012 , Lesnar once again returned to professional wrestling , rejoining WWE after an eight-year hiatus .. WWE. WWE. wrestling. Collegiate wrestling. Two years later , at WrestleMania XXX , Lesnar defeated The Undertaker to end his undefeated streak at WrestleMania .. WrestleMania XXX. WrestleMania XXX. The Undertaker. The Undertaker. undefeated streak. The Streak ( wrestling ). WrestleMania. WrestleMania. He achieved world champion status twice since his return , having won the then WWE World Heavyweight Championship in 2014 and the WWE Universal Championship in 2017 .. WWE. WWE. world champion. Professional wrestling championship#World championships. Lesnar has been managed by Paul Heyman throughout the majority of his professional wrestling career .. managed. Manager ( professional wrestling ). Paul Heyman. Paul Heyman. wrestling. Collegiate wrestling. In June 2016 at UFC 199 , the UFC announced that Lesnar would return to MMA to fight at UFC 200 .. UFC 199. UFC 199. UFC 200. UFC 200. His opponent was later revealed to be Mark Hunt .. Mark Hunt. Mark Hunt. Lesnar would defeat Hunt via unanimous decision .. However , after Lesnar tested positive for clomiphene , a banned substance on the UFC 's anti-doping policy , he was suspended from competing in the UFC by the Nevada State Athletic Commission for one year , fined $ 250,000 and his victory over Hunt was overturned to a no-contest .. clomiphene. clomiphene. Lesnar then retired from MMA for a second time in 2017 .. Lesnar is a five-time world champion in WWE , a one-time heavyweight champion in the UFC , a one-time heavyweight champion in NJPW , and a one-time heavyweight wrestling champion in the NCAA , the only person in history to win a championship in each of those organizations .. WWE. WWE. world champion. Professional wrestling championship#World championships. heavyweight champion. UFC Heavyweight Championship. wrestling. Collegiate wrestling. NCAA. NCAA Division I Wrestling Championships. He has headlined numerous pay-per-view events for both the WWE and UFC , including WrestleMania XIX , WrestleMania 31 , UFC 100 and UFC 116 .. WWE. WWE. UFC 116. UFC 116. pay-per-view. pay-per-view. events. List of UFC events. UFC 100. UFC 100. WrestleMania. WrestleMania. pay-per-view events. List of WWE pay-per-view events. WrestleMania XIX. WrestleMania XIX. WrestleMania 31. WrestleMania 31. In 2015 , an ESPN.com article referred to Lesnar as `` the most accomplished athlete in professional wrestling history '' .. wrestling. Collegiate wrestling
related.