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: Did The Black Eyed Peas album The E.N.D. have other singles that made the charts? Passage:On 16 June 2009, The Black Eyed Peas released the Guetta-produced "I Gotta Feeling" as their second single from their fifth studio album, The E.N.D.. It became a worldwide hit topping the charts in seventeen countries. It became the most downloaded song of all-time in the United States with almost 7.5 million downloads and in the United Kingdom selling more than 1 million copies. He was nominated twice for his work with The Black Eyed Peas at the 52nd Grammy Awards; in the category Record of the Year for "I Gotta Feeling" and Album of the Year for their album The E.N.D.. In 2010, Guetta co-wrote and produced Kelly Rowland's "Commander" from her third album Here I Am. It peaked at number one on Billboard's Hot Dance Club Songs chart in the United States, and reached top ten positions in Belgium and the United Kingdom. Guetta has also co-produced "Forever and a Day", which was Kelly's next UK single from that album. Guetta also produced the singles "Acapella" and "Scream" for American singer-songwriter Kelis's fifth studio album, Flesh Tone, released on 14 May 2010. "Acapella" was released as the lead single on 23 February 2010 and topped the dance charts in the United Kingdom and United States. On 28 June 2010 American rapper Flo Rida released the single "Club Can't Handle Me" featuring Guetta. The song is included on the soundtrack album to the American 3D dance film Step Up 3D and Flo Rida's third studio album, Only One Flo (Part 1).
 Links: a. Step Up 3D (soundtrack) b. Kelis c. Dance Club Songs d. The Black Eyed Peas
Example Output: d

Example Input: Question: Which national team that pull out of the Pacific Nations Cup has a longer history? Passage:The 2009 Pacific Nations Cup is a rugby union tournament held between five national sides on the Pacific Rim: Fiji, Japan, Samoa, Tonga and the Junior All Blacks. The New Zealand Māori team that won the tournament last year will no longer take part in this competition because of a decision taken by the New Zealand Rugby Union. Australia A has also decided to pull out due to a similar decision. The inaugural competition was held in 2006. This year the tournament will begin on June 12 and ends on July 3, 2009 and most of the matches will be hosted by Fiji. The awarding of the key international tournament to the Fiji Rugby Union represents a further boost to the continued development of rugby in the region. The two opening round matches will be played outside of Fiji with Samoa hosting the Junior All Blacks in Apia and Tonga entertaining the Fijians in Nukuʻalofa the following day before the tournament moves to Fiji for a 17-day festival of international rugby spread across three match venues: the ANZ National Stadium (Suva), Churchill Park (Lautoka) and Lawaqa Park (Sigatoka).
 Links: a. Australia A national rugby union team b. Māori All Blacks c. Australia A national rugby union team d. Australia A national rugby union team
Example Output: b

Example Input: Question: How large was the Merchant Navy during the year that R.S. Thomas moved to Holyhead? Passage:R. S. Thomas was born in Cardiff, the only child of Thomas Hubert and Margaret (née Davies). The family moved to Holyhead in 1918 because of his father's work in the Merchant Navy. He was awarded a bursary in 1932 to study at the University College of North Wales, where he read Latin. In 1936, after he completed his theological training at St. Michael's College, Llandaff, he was ordained as a priest in the Anglican Church in Wales. From 1936 to 1940 he was the curate of Chirk, Denbighshire, where he met his future wife, Mildred "Elsi" Eldridge, an English artist. He subsequently became curate-in charge of Tallarn Green, Flintshire, as part of his duties as curate of Hanmer.
 Links: a. Chirk b. Holyhead c. Chirk d. Merchant navy
Example Output:
d