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: 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: Which country has the smaller land mass, Finland or Denmark? Passage:Sweden ( ), officially the Kingdom of Sweden ( ), is a country in Northern Europe. It borders Norway to the west and north and Finland to the east, and is connected to Denmark in the southwest by a bridge-tunnel across the Oresund Strait. At , Sweden is the largest country in Northern Europe, the third-largest country in the European Union and the fifth largest country in Europe by area. The capital city is Stockholm. Sweden has a total population of 10.3million of which 2.5 million have a foreign background. Persons who have foreign backgrounds are defined as persons who are foreign born, or born in Sweden with foreign born parents. It has a low population density of and the highest urban concentration is in the central and southern half of the country.
Links: a. Capital City b. Finland c. Finland d. Stockholm
Example Output: b

Example Input: Question: How many members did the Home Guard have the year Davis was elected a member of the American Antiquarian Society? Passage:Davis sailed for San Francisco, California, around Cape Horn in 1852, and upon arriving, engaged for a brief time as a gold miner, a lumber supercargo surveyor for a coastal steamer, and a purser for the Pacific Mail Steamship Company. In addition he helped found the Mercantile Library Association of California (its oldest public library). Under his administrative tutelage interest in the library was restored with his creation of a library catalog (an act which later lead to his poor eyesight). He resigned in 1855 and relocated to San Francisco in 1860 at which time he established the highly successful Golden Gate Flouring Mills and the Sperry Flour Company. He was elected a member of the American Antiquarian Society in 1862. When the American Civil War broke out, he served in the secretive San Francisco-based Home Guard acting to secure both the loyalty of California to then Union President Abraham Lincoln and the election of Leland Stanford as governor of California (by patrolling the polls on election day). He presided over the Produce Exchange of San Francisco from 1867 to 1877 until he was elected as a Republican to the United States House of Representatives of the Forty-fifth and Forty-sixth Congresses (March 4, 1877 - March 3, 1881), where on June 8, 1878 he spoke in support of a bill to restrict Chinese immigration. He was an unsuccessful candidate for reelection in 1880 to the Forty-seventh Congress.
Links: a. 45th United States Congress b. Cape Horn c. Home Guard (Union) d. American Civil War
Example Output:
c