In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Example Input: Question: Which Russian city that Schandermani studied in was closer in distance to his former home town Tehran? Passage:Schandermani lived in Tehran, the capital of Iran. In 1953 US Central Intelligence Agency overthrew the Iranian government of Prime Minister Mohammed Mossadegh and restored Shah Mohammed Reza Pahlavi. Schandermani's father was a leftist politician. After CIA coup his father was arrested and sentenced to death. But he escaped from the detention centre and later on moved to the USSR where the Soviet officials granted him political asylum. In the early 60's Schandermani immigrated with his mother to Russia, where family was reunited. In 1961 he went to school in Moscow. Two years later he continued his school education in a special school for foreigners Interdom located in the Russian city Ivanovo. In 1971 he graduated from this school and moved to Dushanbe capitol of the former Soviet Republic of Tajikistan. In 1979 after the fall of the Shah's regime Schandermani went via West-Berlin back to Iran. After his arrival at the Tehran's airport Mehrabad he was arrested and jailed. Four days later he was expelled from the country to the German city Berlin, where he applied for political asylum. In 1992 he was naturalized and became citizen of the Federal Republic of Germany.
Links: a. Berlin b. Iran c. Moscow d. Moscow
Example Output: c

Example Input: Question: When was the gunnery school David moved to in 1932 built? Passage:He was assigned as a midshipman on 1 May 1929 after finishing top of his class in five subjects. In 1930 he was assigned to the battleship Marlborough, part of the Third Battle Squadron; and the following year to the battlecruiser in September 1931 on which he served with fellow midshipman, and future vice admiral, Peter Gretton. While serving on the ship, Wanklyn was promoted to acting sub-lieutenant (the equivalent of an army second lieutenant) on 1 January 1932. Soon afterwards he moved to the naval gunnery school - HMS Excellent - at Whale Island, Portsmouth to learn more about naval navigation to qualify for his second ring at the rank of lieutenant. In February 1933 he moved to HMS Dolphin and was promoted to lieutenant on 1 February 1933.
Links: a. Excellent b. Battlecruiser c. Vice admiral d. Whale Island, Hampshire
Example Output: a

Example Input: Question: How many total tracks were there on Born to Die? Passage:After uploading a few of her tracks to her YouTube channel, Del Rey was discovered and got signed by Stranger Records to release her debut single "Video Games". She told The Observer that "Video Games" was never intended to be a single, but she enjoyed the video and uploaded on the internet. The song earned her a Q Award for "Next Big Thing" in October 2011. Later that month, she signed a joint record deal with Interscope Records and Polydor to release her second studio album, Born to Die. Del Rey built anticipation to the album by doing a number of live appearances, such as promotional concerts at the Bowery Ballroom and at the Chateau Marmont, and with performances at television shows such as De Wereld Draait Door, and Later... with Jools Holland. To further promote the upcoming release of Born to Die, Interscope Records released the EP in the United States and Canada on January 10, 2012. The four tracks that appear on the EP ("Video Games", "Born to Die", "Blue Jeans", and "Off to the Races") were previously available for purchase as singles in international markets.
Links: a. Bowery Ballroom b. Born to Die (song) c. YouTube d. Born to Die
Example Output:
d