Information:  - Sayyid Ruhollah Msavi Khomeini (, 24 September 1902  3 June 1989), known in the Western world as Ayatollah Khomeini, was an Iranian Shia Muslim religious leader, revolutionary and politician. He was the founder of the Islamic Republic of Iran and the leader of the 1979 Iranian Revolution that saw the overthrow of the Pahlavi monarchy and Mohammad Reza Pahlavi, the Shah of Iran. Following the revolution, Khomeini became the country's Supreme Leader, a position created in the constitution of the Islamic Republic as the highest-ranking political and religious authority of the nation, which he held until his death. He was succeeded by Ali Khamenei.  - Ayatollah (or ; from "Sign of Allah") is a high-ranking title given to Usuli Twelver Shah clerics. Those who carry the title are experts in Islamic studies such as jurisprudence, quran reading, and philosophy and usually teach in Islamic seminaries. The next lower clerical rank is Hujjat al-Islam.  - Ayatollah Mohammad Reza Tavassoli ( Persian :    ) ( 1931 -- 2008 ) was an influential Iranian theologian , reformist politician , and a close associate of Ayatollah Ruhollah Khomeini . Tavassoli was a member of the Expediency Discernment Council of the Islamic Republic of Iran . He belonged to the Militant Clerics League . Ayatollah Tavassoli simultaneously held a seat in the 3rd Assembly of Experts . He died on the 16 February 2008 , from a heart attack , while delivering a speech to the Expediency Council . He was 77 years old at the time of his death .  - A politician (from "politics" + "-ian", from the Greek title of Aristotle's book  "Politika", meaning "Civic Affairs") is a person active in party politics, or a person holding or seeking office in government. In democratic countries, politicians seek elective positions within a government through elections or, at times, temporary appointment to replace politicians who have died, resigned or have been otherwise removed from office. In non-democratic countries, they employ other means of reaching power through appointment, bribery, revolutions and intrigues. Some politicians are experienced in the art or science of government. Politicians propose, support and create laws or policies that govern the land and, by extension, its people. Broadly speaking, a "politician" can be anyone who seeks to achieve political power in any bureaucratic institution.  - A supreme leader typically refers to the person among a number of leaders of a state, organization or other such group who has been given or is able to exercise the mostor complete authority over it. In a religion, this role is usually satisfied by a person deemed to be the representative or manifestation of a god or gods on Earth. In politics, a supreme leader usually has a cult of personality associated with them, such as below:  - Iran (, also , ; ' ), also known as Persia, officially the Islamic Republic of Iran (' ), is a sovereign state in Western Asia. It is bordered to the northwest by Armenia, the "de facto" Nagorno-Karabakh Republic, and Azerbaijan; to the north by the Caspian Sea; to the northeast by Turkmenistan; to the east by Afghanistan and Pakistan; to the south by the Persian Gulf and the Gulf of Oman; and to the west by Turkey and Iraq. Comprising a land area of , it is the second-largest country in the Middle East and the 18th-largest in the world. With 82.8 million inhabitants, Iran is the world's 17th-most-populous country. It is the only country with both a Caspian Sea and an Indian Ocean coastline. The country's central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz, make it of great geostrategic importance. Tehran is the country's capital and largest city, as well as its leading economic center.  - A sovereign state is, in international law, a nonphysical juridical entity that is represented by one centralised government that has sovereignty over a geographic area. International law defines sovereign states as having a permanent population, defined territory, one government, and the capacity to enter into relations with other sovereign states. It is also normally understood that a sovereign state is neither dependent on nor subjected to any other power or state.  - Mohammad Reza Pahlavi (; 27 October 1919  27 July 1980), known as Mohammad Reza Shah, was the Shah of Iran from 16 September 1941 until his overthrow by the Iranian Revolution on 11 February 1979. He took the title Shhanshh ("Emperor" or "King of Kings") on 26 October 1967. He was the second and last monarch of the House of Pahlavi of the Iranian monarchy. Mohammad Reza Shah Pahlavi held several other titles, including that of rymehr (Light of the Aryans) and Bozorg Arteshtrn (Head of the Warriors). His dream of the Great Civilization in Iran led to a rapid industrial and military expansion as well as economic and social reforms.   - Armenia ( tr. "Hayastan"), officially the Republic of Armenia (tr. "Hayastani Hanrapetutyun"), is a sovereign state in the South Caucasus region of Eurasia. Located in Western Asia on the "Armenian Highlands", it is bordered by Turkey to the west, Russia and Georgia to the north and Azerbaijan to the east, and Iran and Azerbaijan's exclave of Nakhchivan to the south.  - Twelver (Athn'ashariyyah or Ithn'ashariyyah ) Shia Islam or Imamiyyah is the largest branch of Shia Islam. Twelver belief is based on the Quran and the message of the Islamic Prophet Muhammad attested in hadith, and on hadith taught by their Imams. The term "Twelver" refers to its adherents' belief in twelve divinely ordained leaders, known as the Twelve Imams, and their belief that the last Imam, Muhammad al-Mahdi, lives in occultation and will reappear as the promised Mahdi. According to Shia tradition, the Mahdi's tenure will coincide with the Second Coming of Jesus Christ ("Isa"), who is to assist the "Mahdi" against the "Masih ad-Dajjal" (literally, the "false Messiah" or Antichrist).  - The Iranian Revolution (also known as the Islamic Revolution or the 1979 Revolution;) refers to events involving the overthrow of the Pahlavi dynasty under Mohammad Reza Shah Pahlavi, who was supported by the United States and its eventual replacement with an Islamic republic under the Grand Ayatollah Ruhollah Khomeini, the leader of the revolution, supported by various leftist and Islamist organizations and Iranian student movements.  - Sayyed Ali Hosseini Khamenei (; 19 April 1939) is the second and current Supreme Leader of Iran and a Muslim cleric. Ali Khamenei succeeded Ruhollah Khomeini, the leader of the Iranian Revolution, after Khomeini's death, being elected as the new Supreme Leader by the Assembly of Experts on 4 June 1989, at age 49. Current Iranian president Hassan Rouhani arranged for Khamenei to get his first major post in the provisional revolutionary government as deputy defense minister. Khamenei also served as the President of Iran from 1981 to 1989. In 2012, 2013, and 2014 "Forbes" selected him 21st, 23rd, and 19th, respectively, in the list of "The World's Most Powerful People".  - Shah (pronounced , "king") is a title given to the emperors, kings, princes and lords of Iran (historically also known as Persia). It was also adopted by the kings of Shirvan (a historical Iranian region in Transcaucasia) namely the Shirvanshahs, the rulers and offspring of the Ottoman Empire (in that context spelled as "eh"), Mughal emperors of the Indian Subcontinent, the Bengal Sultanate, as well as in Georgia and Afghanistan. In Iran (Persia and Greater Persia) the title was continuously used; rather than King in the European sense, each Persian ruler regarded himself as the "Šhanšh" (King of Kings) or Emperor of the Persian Empire.  - Turkey, officially the Republic of Turkey (Turkish: ), is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe. Turkey is a democratic, secular, unitary, parliamentary republic with a diverse cultural heritage. Turkey is bordered by eight countries: Greece to the west; Bulgaria to the northwest; Georgia to the northeast; Armenia, the Azerbaijani exclave of Nakhchivan and Iran to the east; and Iraq and Syria to the south. The Aegean Sea is to the west, the Black Sea to the north, and the Mediterranean Sea to the south. The Bosphorus, the Sea of Marmara, and the Dardanelles, which together form the Turkish Straits, divide Thrace and Anatolia; they also separate Europe and Asia. Turkey's location has given it geopolitical and strategic importance throughout history.    Given the paragraphs above, decide what entity has the relation 'position held' with 'grand ayatollah'.
The answer to this question is:
mohammad-reza tavassoli