Q:Information:  - Álvaro Uribe Vélez (born 4 July 1952) is a Colombian politician who served as the 31st President of Colombia from 2002 to 2010.   - The Colombian presidential election of 2010 took place under a two - round system , with an initial vote held on May 30 and a second poll held three weeks later on June 20 . A referendum proposal that would have allowed incumbent President Álvaro Uribe the opportunity to run for a third term was rejected by the Constitutional Court of Colombia in a 7 -- 2 ruling on February 26 , 2010 . Because no candidate received a majority ( more than one - half ) of the votes cast in the May 30 poll , the candidates with the two highest vote totals competed in a runoff election on June 20 : Juan Manuel Santos of the liberal - conservative Social Party of National Unity which unites supporters of former President Uribe , and Antanas Mockus from the Green Party . Santos won the election with 69 % of the votes .  - The President of Colombia (Spanish: "Presidente de Colombia") is the head of state and head of government of Colombia. The office of president was established upon the ratification of the Constitution of 1819, by the Congress of Angostura, convened in December 1819, when Colombia was ""la Gran Colombia"". The first president, General Simón Bolívar, took office in 1819. His position, initially self-proclaimed, was subsequently ratified by Congress.  - Radical Change is a political party in Colombia. After the elections on 12 March 2006, the party became one of the most important in the new congress, receiving 20 seats in the lower house and 15 in the upper house. Along with the Social Party of National Unity, or "Party of the U" (the biggest party in the lower house and the second biggest in the upper house) and the Conservative Party, it was president Álvaro Uribe's main ally in congress and formed part of his absolute majority.  - Juan Manuel Santos Calderón (born 10 August 1951), is the 32nd and current President of Colombia and sole recipient of the 2016 Nobel Peace Prize.  - The Social Party of National Unity, or Party of the U is a political party in Colombia. The Party is led by President Juan Manuel Santos. Currently, it is Colombia's largest political party and has formed a coalition with the Radical Change and the Liberal Party.    After reading the paragraphs above, we are interested in knowing the entity with which 'colombian presidential election' exhibits the relationship of 'office contested'. Find the answer from the choices below.  Choices: - president  - president of colombia
A:
president of colombia