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.

Ex 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

Ex Output:
d


Ex Input:
Question: When was the college founded where Beloff earned a degree in chemistry? Passage:Anne Beloff was born in 1921 in Hampstead to Simon Beloff and Marie Katzin. Her parents were of Russian–Jewish background, and her siblings included the historian Max Beloff, Baron Beloff, the psychologist John Beloff, the journalist Nora Beloff, and the politician Renee Soskin. She earned a degree in chemistry from University College London in 1942 before completing a PhD in the biochemistry of skin burns with Rudolph Peters at the University of Oxford. She visited Harvard Medical School in 1946 to perform research and returned to the UK in 1948. In the same year she married Ernst Boris Chain, a biochemist who had won the Nobel Prize in Physiology or Medicine in 1945, and moved with him to Rome.
 Links: a. Max Beloff, Baron Beloff b. University College London c. Ernst Chain d. Nora Beloff

Ex Output:
b


Ex Input:
Question: Did the driver who replaced Sacks in 1989 ever win the NASCAR Cup Series? Passage:In 1987, he signed on to drive the No. 50 Pontiac for the Dingman Brothers, where he struggled with qualifying for each race. Three-quarters of the way through 1988, Sacks left the team to drive for Buddy Baker's team, the No. 88 Oldsmobile. Despite posting two top ten finishes in the first ten races of the 1989 season, Sacks was replaced by rookie Jimmy Spencer. Sacks was unemployed for a brief period, then joined on with Tom Winkle's No. 48 Pontiac for most of the season, joining with Hendrick Motorsports for the Autoworks 500 at Phoenix International Raceway as part of the driving team gathering in-race footage for the "Days of Thunder" movie.
 Links: a. 1989 NASCAR Winston Cup Series b. Jimmy Spencer c. Oldsmobile d. 1989 NASCAR Winston Cup Series

Ex Output:

b