Given the question: Information: - Association football, more commonly known as football or soccer, is a team sport played between two teams of eleven players with a spherical ball. It is played by 250 million players in over 200 countries and dependencies, making it the world's most popular sport. The game is played on a rectangular field with a goal at each end. The object of the game is to score by getting the ball into the opposing goal. - The LigaPro ( Portuguese pronunciation : ( lip ) ; English : ProLeague ) , also called Ledman LigaPro for sponsorship reasons , is the second - highest division of the Portuguese football league system , after the Primeira Liga . At the end of each season , the top - finishing teams are promoted to the Primeira Liga , and the lowest - ranked teams are relegated to the third - tier Campeonato de Portugal . The LigaPro was introduced in 1990 under the name of Segunda Divisao de Honra ( Second Division of Honour ) , replacing the Segunda Divisao ( Second Division ) as the second - tier championship in Portuguese football . When the Liga Portuguesa de Futebol Profissional ( LPFP ) took control of the top - two levels in 1999 , the division was renamed Segunda Liga ( Second League ) ; between 2005 and 2012 , it was called Liga de Honra ( League of Honour ) . In January 2016 , the league acquired the current designation after LPFP dedided a new change of the number of participants . In February 2016 , LPFP reached a title sponsorship agreement with Chinese LED manufacturer company Ledman . The division is contested nationwide by a total of 24 teams , including the reserve sides ( B teams ) of several Primeira Liga clubs . This number will be reduced to 22 in the 2016 -- 17 season , with a further reduction to 20 and 18 teams scheduled for the 2017 -- 18 and 2018 -- 19 seasons , respectively . Eighteen different clubs have won the championship title . The most successful team at this level is Pacos de Ferreira , who have three won three times , including the inaugural season . The current champions are Tondela . - The Primeira Liga (English: Premier League), also known as Liga NOS for sponsorship reasons, is the top professional association football division of the Portuguese football league system. It is organised and supervised by the Liga Portuguesa de Futebol Profissional. As of the 201415 season, the Primeira Liga is contested by 18 teams, with the two lowest placed teams relegated to the Segunda Liga and replaced by the top-two non-reserve teams from this division. - The Portuguese association football league system is the following: - The Liga Portuguesa de Futebol Profissional (Portuguese Professional Football League), also known by its acronym LPFP, or Liga Portugal, is a governing body that manages professional football club competitions in Portugal. It was founded in 1978 and works as an autonomous organism under the authority of the Portuguese Football Federation. As of 28 July 2015, its president is former Portuguese international referee Pedro Proenca. What is the relationship between 'ligapro' and 'association football league'?
The answer is:
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