With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lionel Messi has never won an Olympic medal.
text_B: Lionel Andres `` Leo '' Messi -LRB- -LSB- ljoˈnel anˈdɾes ˈmesi -RSB- ; born 24 June 1987 -RRB- is an Argentine professional footballer who plays as a forward for Spanish club FC Barcelona and the Argentina national team .. Barcelona. FC Barcelona. Argentina. Argentina national football team. footballer. Association football. forward. Forward ( association football ). FC Barcelona. FC Barcelona. Argentina national team. Argentina national football team. Often considered the best player in the world and regarded by many as the greatest of all time , Messi is the only player in history to win five FIFA Ballon d'Or awards , four of which he won consecutively , and the first to win three European Golden Shoes .. FIFA. FIFA. FIFA Ballon d'Or. FIFA Ballon d'Or. Ballon d'Or. Ballon d'Or. He has won 29 trophies with Barcelona , including eight La Liga titles , four UEFA Champions League titles , and five Copas del Rey .. Barcelona. FC Barcelona. La Liga. List of La Liga top scorers#All-time top scorers. UEFA Champions League. UEFA Champions League. Copas del Rey. Copas del Rey. Champions League. List of European Cup and UEFA Champions League top scorers#All-time top scorers. Both a prolific goalscorer and a creative playmaker , Messi holds the records for most official goals scored in La Liga -LRB- 349 -RRB- , a La Liga season -LRB- 50 -RRB- and a club football season in Europe -LRB- 73 -RRB- , as well as those for most assists made in La Liga -LRB- 137 -RRB- and the Copa America -LRB- 11 -RRB- .. Copa America. Copa America. La Liga. List of La Liga top scorers#All-time top scorers. a La Liga season. Spanish football top scorers#Top scorers in La Liga by seasons. a club football season in Europe. European association football club records#Most goals in a season. He has scored over 500 senior career goals for club and country .. 500 senior career goals. List of men's association football players with 500 or more goals. Born and raised in central Argentina , Messi was diagnosed with a growth hormone deficiency as a child .. Argentina. Argentina national football team. growth hormone deficiency. growth hormone deficiency. At age 13 , he relocated to Spain to join Barcelona , who agreed to pay for his medical treatment .. Barcelona. FC Barcelona. After a fast progression through Barcelona 's youth academy , Messi made his competitive debut aged 17 in October 2004 .. Barcelona. FC Barcelona. Despite being injury-prone during his early career , he established himself as an integral player for the club within the next three years , finishing 2007 as a finalist for both the Ballon d'Or and FIFA World Player of the Year award , a feat he repeated the following year .. FIFA. FIFA. Ballon d'Or. Ballon d'Or. World Player of the Year award. FIFA World Player of the Year. FIFA World Player of the Year. FIFA World Player of the Year. His first uninterrupted campaign came in the 2008 -- 09 season , during which he helped Barcelona achieve the first treble in Spanish football .. Barcelona. FC Barcelona. treble. Treble ( association football ). At 22 years old , Messi won the Ballon d'Or and FIFA World Player of the Year award by record voting margins .. FIFA. FIFA. Ballon d'Or. Ballon d'Or. World Player of the Year award. FIFA World Player of the Year. FIFA World Player of the Year. FIFA World Player of the Year. Three successful seasons followed , with Messi winning three consecutive FIFA Ballons d'Or , including an unprecedented fourth .. FIFA. FIFA. His personal best campaign to date was the 2011 -- 12 season , in which he set the La Liga and European records for most goals scored in a single season , while establishing himself as Barcelona 's all-time top scorer in official competitions in March 2012 .. Barcelona. FC Barcelona. La Liga. List of La Liga top scorers#All-time top scorers. He again struggled with injury during the following two seasons , twice finishing second for the Ballon d'Or behind Cristiano Ronaldo , his perceived career rival .. Ballon d'Or. Ballon d'Or. Cristiano Ronaldo. Cristiano Ronaldo. career rival. Messi–Ronaldo rivalry. Messi regained his best form during the 2014 -- 15 campaign , breaking the all-time goalscoring records in both La Liga and the Champions League in November 2014 , and led Barcelona to a historic second treble .. Barcelona. FC Barcelona. La Liga. List of La Liga top scorers#All-time top scorers. treble. Treble ( association football ). Champions League. List of European Cup and UEFA Champions League top scorers#All-time top scorers. An Argentine international , Messi is his country 's all-time leading goalscorer .. all-time leading goalscorer. Argentina national football team#Top goalscorers. At youth level , he won the 2005 FIFA World Youth Championship , finishing the tournament with both the Golden Ball and Golden Shoe , and an Olympic gold medal at the 2008 Summer Olympics .. FIFA. FIFA. 2005 FIFA World Youth Championship. 2005 FIFA World Youth Championship. Golden Ball and Golden Shoe. FIFA U-20 World Cup#Awards. Olympic gold medal. Olympic medal. 2008 Summer Olympics. Football at the 2008 Summer Olympics. Golden Ball. FIFA World Cup awards#Golden Ball. His style of play as a diminutive , left-footed dribbler drew comparisons with compatriot Diego Maradona , who declared the teenager his successor .. dribbler. Dribbling#Association football. Diego Maradona. Diego Maradona. successor. New Maradona. After making his senior debut in August 2005 , Messi became the youngest Argentine to play and score in a FIFA World Cup during the 2006 edition , and reached the final of the 2007 Copa America , where he was named young player of the tournament .. Copa America. Copa America. FIFA World Cup. FIFA World Cup. FIFA. FIFA. 2006 edition. 2006 FIFA World Cup. 2007 Copa America. 2007 Copa America. As the squad 's captain from August 2011 , he led Argentina to three consecutive finals  : the 2014 World Cup , for which he won the Golden Ball , and the 2015 and 2016 Copas America .. Argentina. Argentina national football team. captain. Captain ( association football ). 2014 World Cup. 2014 FIFA World Cup. Golden Ball. FIFA World Cup awards#Golden Ball. 2015 Copa America. 2016 Copas America. Copa America Centenario
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