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: Who was the head of the Gambia when Cham Joof was born? Passage:Cham Joof was born on 22 October 1924 at 7 Griffith Street (Half-Die) in Bathurst now Banjul, the capital of the Gambia. He came from a Serer and Wolof background. He was the third child and the eldest son of Ebrima Joof (1887–1949) and Aji Anna Samba (1896 – 9 April 1977). On his father's side (the Joof family), he was a descendant of the Joof Dynasty of Sine and Saloum, and the Njie Dynasty of Jolof. On his mother's side, he was the great grand-nephew of Tafsir Sa Lolly Jabou Samba — a 19th-century Senegambian jihadist, military strategists and advisor to Maba Diakhou Bâ and one of the commanders of his army. Cham Joof was the elder brother of Gambian barrister Alhaji Bai Modi Joof.
 Links: a. The Gambia b. Joof family c. Njie d. Saloum
Example Output: a

Example Input: Question: How old was Anuradha Paudwal when she discovered Nikhil and Vinay  and introduced them to Gulshan Kumar? Passage:Nikhil and Vinay are both trained in classical music. Singer Anuradha Paudwal discovered the duo and recommended them to Gulshan Kumar, owner of T-Series music company, and director Chandra Barot, who signed them for the 1991 romantic film Pyar Bhara Dil. The song "Banke Kitab Teri" from the film became popular. The duo then went on to compose music for over 20 films. Their initial successes included Bewafa Sanam (1995), a film which was breakthrough for playback singer Sonu Nigam, English Babu Desi Mem (1996), Uff Yeh Mohabbat (1997) and Papa The Great (2000). The duo composed music for two of Sonu Nigam's successful music albums, Jaan (1999) and Yaad (2001). They went on to score music for Anubhav Sinha's box office success Tum Bin which included hit songs such as "Koi Fariyaad", "Chhoti Choti Raatein" and "Tumhare Siva". Some of their other successful ventures include Hum Tumhare Hain Sanam, Aapko Pehle Bhi Kahin Dekha Hai, Muskaan and Kuch Dil Ne Kaha. The duo have also been accused of plagiarism by Pakistani singer Faisal Latif.
 Links: a. Anuradha Paudwal b. Anuradha Paudwal c. Tum Bin d. Chandra Barot
Example Output: a

Example Input: Question: What was the average daily temperature of Ostrander the year Larson was born? Passage:Henrietta Melia Larson was born in Ostrander, Minnesota on 24 September 1894, sister of Agnes Larson. She received her B.A. from St. Olaf College in 1918 and taught one year of high school before she became an instructor at Augustana College in 1921–22. She studied at the University of Minnesota in 1922–24, then taught at Bethany College from 1925 to 1926. Larson received her Ph.D. from Columbia University and The Wheat Market and the Farmer in Minnesota, 1858–1900 in 1926. She then taught at Southern Illinois University in 1926–28 before she became a research associate at the Harvard University Graduate School of Business Administration in 1928. Together with N. S. B. Gras, she wrote Jay Cooke, Private Banker in 1936 and she was the editor of the Bulletin of the Business Historical Society in 1938. They compiled the Casebook in American Business History in 1939 and Larson was promoted to assistant professor that same year. She became the first woman to be appointed associate professor in the Graduate School of Business in 1942. Six years later, she wrote the Guide to Business History with Kenneth Wiggins Porter and she became associate editor of the Harvard Studies in Business History and then editor two years later. Larson was the senior author of the History of Humble Oil and Refining Company and History of Standard Oil Company (New Jersey), Vol. 3: New Horizons, 1927–1950, together with Evelyn H. Knowlton and Charles S. Popple. She was appointed professor of business history in 1960 and retired the following year. Larson died on 25 August 1983.
 Links: a. St. Olaf College b. Assistant professor c. Ostrander, Minnesota d. Columbia University
Example Output:
c