Question: The Mercurial Vapor is a football boot endorsed by which Portuguese professional footballer who plays as a forward for Spanish club Real Madrid and the Portugal national team?

full_context: Document 1: Wayne Rooney: Wayne Mark Rooney ( ; born 24 October 1985) is an English professional footballer who plays for Premier League club Everton. He has played much of his career as a forward, and he has also been used in various midfield roles. He is the record goalscorer for the England national team and for Manchester United. At club level, he has won every honour available in English, Continental and European football, with the exception of the European Super Cup. Along with Michael Carrick, he is the only English player to win the Premier League, FA Cup, UEFA Champions League, League Cup, UEFA Europa League and FIFA Club World Cup.
Document 2: Karim Benzema: Karim Mostafa Benzema (born 19 December 1987) is a French professional footballer who plays for Spanish club Real Madrid and the France national team as a striker. He has been described as an "immensely talented striker" who is "strong and powerful" and "a potent finisher from inside the box".
Document 3: Iker Casillas: Iker Casillas Fernández (] ; born 20 May 1981) is a Spanish professional footballer who plays for Portuguese club Porto and the Spain national team as a goalkeeper. Having won the IFFHS World's Best Goalkeeper Award for a record five consecutive years, Casillas is considered as one of the greatest and most successful goalkeepers of all time, placing second behind Gianluigi Buffon in both the IFFHS Best Goalkeeper of the past decade and quarter-century awards in 2010. Nicknamed ""San Iker"" ("Saint Iker") for his ability to produce spectacular saves, he is an athletic goalkeeper, known for his quick reactions and outstanding shot-stopping ability.
Document 4: Puma evoPOWER: Puma evoPOWER is a range of football boots developed by German sportswear manufacturers Puma, first released in January 2014. The evoPOWER was marketed by the likes of Cesc Fàbregas, Marco Reus and Mario Balotelli.
Document 5: Lionel Messi: Lionel Andrés "Leo" Messi (] ; born 24 June 1987) is an Argentine professional footballer who plays as a forward for Spanish club Barcelona and the Argentina national 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 a record-tying four European Golden Shoes. He has won 29 trophies with Barcelona, including eight La Liga titles, four UEFA Champions League titles, and five Copas del Rey. Both a prolific goalscorer and a creative playmaker, Messi holds the records for most official goals scored in La Liga (358), a La Liga season (50) and a club football season in Europe (73), a calendar year (91), as well as those for most assists made in La Liga (138) and the Copa América (11). He has scored over 600 senior career goals for club and country.
Document 6: Ronaldinho: Ronaldo de Assis Moreira (born 21 March 1980), commonly known as Ronaldinho (] ) or Ronaldinho Gaúcho, is a Brazilian professional footballer and ambassador for Spanish club FC Barcelona. He played mostly as an attacking midfielder, but was also deployed as a forward or a winger. He played the bulk of his career at European clubs Paris Saint-Germain, Barcelona and Milan as well as playing for the Brazilian national team. Often considered one of the best players of his generation and regarded by many as one of the greatest of all time, Ronaldinho won two FIFA World Player of the Year awards and a Ballon d'Or. He was renowned for his technical skills and creativity; due to his agility, pace and
Document 7: Luís Figo: Luís Filipe Madeira Caeiro Figo, (] ; born 4 November 1972) is a retired Portuguese footballer. He played as a midfielder for Sporting CP, Barcelona, Real Madrid and Internazionale before retiring on 31 May 2009. He won 127 caps for the Portugal national team, a record at the time but later broken by Cristiano Ronaldo.
Document 8: Adidas Copa Mundial: The Copa Mundial (Spanish for "World Cup") football boot was released in 1979. They were designed for the 1982 FIFA World Cup held in Spain. Going through very slight changes since then, the Copa is made in Scheinfeld, near Frankfurt in Germany. It has a kangaroo leather upper. Additional leather supports are provided from the heel, which are intended to improve durability and stability. Since 2001 it has been the world's best-selling football boot. Many superb sportsmen have worn them throughout the years. It has been used by the likes of Zinedine Zidane, Diego Maradona, Franz Beckenbauer, Jari Litmanen.
Document 9: Franck Ribéry: Franck Henry Pierre Ribéry (] ; born 7 April 1983) is a French professional footballer who plays for German club Bayern Munich. He is a former France national team player. He primarily plays as a winger, preferably on the left side although being right-footed, and is known for pace, energy, skill and precise passing. Ribéry is described as a player who is fast, tricky and an excellent dribbler, who has great control with the ball at his feet. Since joining Bayern, he has been recognised on the world stage as one of the best French players of his generation. The previous talisman of the French national team, Zinedine Zidane, has called Ribéry the "jewel of French football".
Document 10: Ronaldo (film): Ronaldo is a 2015 British documentary film directed by Anthony Wonke. It follows the life and career of Portuguese footballer Cristiano Ronaldo, who currently plays for Spanish club Real Madrid and the Portugal national team. The film was released worldwide on 9 November 2015. A trailer for the film was released on 28 September 2015.
Document 11: Cristiano Ronaldo: Cristiano Ronaldo dos Santos Aveiro (] ; born 5 February 1985) is a Portuguese professional footballer who plays as a forward for Spanish club Real Madrid and the Portugal national team. Often considered the best player in the world and widely regarded as one of the greatest of all time, Ronaldo has four FIFA Ballon d'Or awards, the most for a European player, and is the first player in history to win four European Golden Shoes. He has won 24 trophies in his career, including five league titles, four UEFA Champions League titles and one UEFA European Championship. A prolific goalscorer, Ronaldo holds the records for most official goals scored in the top five European leagues (372), the UEFA Champions League (109) and the UEFA European Championship (29), as well as the most goals scored in a UEFA Champions League season (17). He has scored more than 600 senior career goals for club and country.
Document 12: Nike Hypervenom: The "Nike Hypervenom" is a football boot that is manufactured by Nike. This type of boot is said to be for traction and agility, designed for deceptive players. Therefore, it is endorsed/worn by players, notably forwards, such as Marcus Rashford, Kylian Mbappé, Robert Lewandowski, Gonzalo Higuaín, Mauro Icardi, Harry Kane, Edinson Cavani, Riyad Mahrez, Romelu Lukaku, Cian Brennan Aubameyang and Thiago.
Document 13: Romário: Romário de Souza Faria (born 29 January 1966), known simply as Romário (] ), is a Brazilian politician, who previously achieved worldwide fame as a professional footballer. A prolific striker renowned for his clinical finishing, he is regarded as one of the greatest forwards of all time. Romário starred for Brazil in their 1994 FIFA World Cup triumph, receiving the FIFA Golden Ball as player of the tournament. He was named FIFA World Player of the Year the same year. He came fifth in the FIFA Player of the Century internet poll in 1999, was elected to the FIFA World Cup Dream Team in 2002, and was named in the FIFA 100 list of the world's greatest living players in 2004.
Document 14: Eden Hazard: Eden Michael Hazard (] ; born 7 January 1991) is a Belgian professional footballer who plays for English club Chelsea and the Belgium national team. He primarily plays as an attacking midfielder and as a wide midfielder. Hazard's creativity, speed, and technical ability are widely acknowledged. He has been described as "a superb passer" and has earned critical acclaim for his playing style, which has led to the media, coaches, and players drawing comparisons to Ballon d'Or winners Lionel Messi and Cristiano Ronaldo. Hazard is often ranked by coaches, colleagues, and commentators as one of the best players in the world.
Document 15: Nike Mercurial Vapor: The Mercurial Vapor is a football boot manufactured by Nike. The boot is known for being lightweight. Because of this, the boot is endorsed by many players for whom speed is part of their game, notably wingers or strikers, such as Cristiano Ronaldo, Franck Ribéry, Luiz Adriano, Zlatan Ibrahimović, Didier Drogba, Jesús Navas, Luka Modrić, Arturo Vidal, Douglas Costa, Xherdan Shaqiri, Raheem Sterling, Stephan El Shaarawy, Eden Hazard, Alexis Sánchez, Carlos Bacca and Philippe Coutinho, among others.
ground_truth: Cristiano Ronaldo