Information:  - The Pakistan Muslim League (known as PML), was the name of several former Pakistani political parties that dominated the Right-wing platform from 1960s until the 1999 Martial Law. The first Pakistan Muslim League was founded by President Ayub Khan in 1962 as a successor to the original Muslim League. Just a short period after its foundation, the party broke into two factions: Convention Muslim League that supported the President and the new Constitution, and the Council Muslim League, that opposed the new Constitution, denouncing it as undemocratic that made the Presidency an autocratic position. The CML itself broke down into several parties following the 1965 Elections such as: Muslim League (Qayyum) and Pakistan Muslim League (F).  - The Pakistan Peoples Party (commonly referred to as the PPP) is a left-wing, socialist, and progressivist political party of Pakistan. Affiliated with the Socialist International, its political philosophy and position, in the country's political spectrum, is considered centre-left, and involves supporting public ownership, egalitarianism, equality, and a strong national defence. Since its foundation in 1967, it had been a major and influential political left-wing force in the country and the party's leadership has been dominated by the members of the Bhutto family. Its centre of power lies in the southern province of Sindh.  - Benazir Bhutto (21 June 1953  27 December 2007) was the 11th Prime Minister of Pakistan and the leader of the centre-left Pakistan Peoples Party. She was the first woman to head a Muslim majority nation, and the only one to head it twice.  - An indirect presidential election was held in Pakistan on 6 October 2007 . This was before dissolution of parliament for the following general election to be held in 2008 . The Pakistani legislature elected incumbent Pervez Musharraf by an overwhelming majority . The near - unanimous nature of Musharraf 's victory was made possible by the absence of two key political opposition leaders , Nawaz Sharif and Benazir Bhutto . Nawaz Sharif had attempted to return to Pakistan before the election but was deported back into exile by the ruling government because of a gross violation of the agreement he had signed with the current regime to stay out of Pakistan and its politics for a period of ten years . Benazir Bhutto had also announced her intention to return to Pakistan for the elections but ultimately decided not to do so . It was widely assumed that her decision was the result of an arrangement she made with Musharraf .  - Pervez Musharraf (born 11 August 1943) is a Pakistani politician and a retired four-star army general who was the tenth President of Pakistan from 2001 until tendering resignation, to avoid impeachment, in 2008.  - Mian Muhammad Nawaz Sharif (; born 25 December 1949) is the 20th and current Prime Minister of Pakistan, in office since June 2013. A veteran politician and industrialist, he previously served as the Prime Minister from November 1990 to July 1993 and from February 1997 to October 1999. Sharif is the president of Pakistan Muslim League (N), which holds a parliamentary majority since 2013.  - The President of Pakistan ( ), is the ceremonial head of state of Pakistan and a figurehead who represents the "unity of the Republic." The President holds the legal title "de jure" and is a civilian commander-in-chief of the Pakistan Armed Forces as per the constitution of Pakistan.  - The Prime Minister of Pakistan ( , ; lit. "Grand Vizier"), is the head of government of Pakistan and designated as the "chief executive of the Republic". The Prime Minister leads the executive branch of the government, oversees the economic growth, heads the Council of Common Interests as well as the Cabinet, and is vested with the command authority over the nuclear arsenals.  - A parliamentary republic is a republic that operates under a parliamentary system of government where the executive branch (the government) derives its legitimacy from and is accountable to the legislature (the parliament). There are a number of variations of parliamentary republics. Most have a clear differentiation between the head of government and the head of state, with the head of government holding real power, much like constitutional monarchies. Some have combined the roles of head of state and head of government, much like presidential systems, but with a dependency upon parliamentary power.  - Pakistan (or ), officially the Islamic Republic of Pakistan, is a federal parliamentary republic in South Asia on crossroads of Central Asia and Western Asia. It is the sixth-most populous country with a population exceeding 200 million people. It is the 36th largest country in the world in terms of area with an area covering . Pakistan has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by India to the east, Afghanistan to the west, Iran to the southwest and China in the far northeast respectively. It is separated from Tajikistan by Afghanistan's narrow Wakhan Corridor in the north, and also shares a maritime border with Oman.    Given the information above, choose from the list below the object entity that exhibits the relation 'office contested' with the subject 'pakistani presidential election'.  Choices: - head of state  - leadership  - president  - president of pakistan  - prime minister of pakistan
president of pakistan