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 Reg Smith the year he capped twice and scored 2 goals for England? Passage:In the 192526 season Millwall had 11 consecutive clean sheets, a Football League record, which they hold jointly with York City and Reading. Millwall became known as a hard-fighting Cup team and competed in various memorable matches, notably defeating three-time league winners and reigning champions Huddersfield Town 31 in the third round of the 192627 FA Cup. In the 192728 season Millwall won the Third Division South title and scored 87 goals at home in the league, an English record which still stands. Matches against Sunderland and Derby County saw packed crowds of 48,000-plus in the 1930s and 1940s. Their 1937 FA Cup run saw Millwall reach the semi-finals for the third time, and a fifth-round game against Derby still stands as Millwall's record attendance of 48,762. Millwall were the 11th best supported team in England in 1939, despite being in the Second Division. Millwall were one of the most financially wealthy clubs in England. The club proposed plans to improve the Den and signed international players. Winger Reg 'JR' Smith was capped twice, scoring two goals for England in 1938. The Lions were pushing for promotion to the First Division toward the end of the decade, but one week into the 193940 season, World War II broke out and Millwall were robbed of their aim.
Links: a. Sunderland A.F.C. b. Derby County F.C. c. 193637 FA Cup d. Reg Smith
Example Output: d

Example Input: Question: Who were the other nominees who went up against Shamita Shetty for the Star of the Year - Female award at the Stardust awards in 2006? Passage:She made her film debut in 2000 with the Yash Raj Films movie Mohabbatein, which was directed by Aditya Chopra. Her portrayal of Ishika earned her the 2001 IIFA Award for Star Debut of the Year Female. Soon after, she gave the best dance numbers to Bollywood, including "Sharara Sharara" in Mere Yaar Ki Shaadi Hai (2001) and "Chori Pe Chori" in Saathiya (2002), to getting appreciated for her acting in the film Zeher (2005), where she was nominated as the Star of the Year - Female at Stardust awards (2006). She worked once with her sister Shilpa Shetty in Fareb. She has also been part of multi-star-cast projects like Cash (2007) and Bewafa (2005). Alongside her actingcareer, she decided to focus on her other love, i.e. Interior designing.She designed Royalty(a club in Mumbai), Chandigarh Iosisspa(Won best interior award at Asia spa awards)and few other properties abroad. She has a registered company called "Golden Leaf interiors"
Links: a. Cash b. Mere Yaar Ki Shaadi Hai c. Bewafaa (2005 film) d. Stardust (magazine)
Example Output: d

Example Input: Question: How old was the winner of the 18th season of Celebrity Big Brother when they won? Passage:The third series of the show began on 11 August 2015. The official list of cast members was released on 14 July 2015. This series was filmed in Cancun, Mexico, making this the first series to be filmed outside of Europe. They include four boys: Graham Griffiths, Jayden Robins, Kirk Norcross and Stephen Bear, and four girls: Amy Paige Cooke, Laura Alicia Summers, Megan McKenna and Megan Rees. With the announcement of the line-up it was confirmed that former Geordie Shore cast member and star of the first series, Vicky Pattison, would be making her return as an ex alongside Series 2 star Rogan O'Connor. The Only Way Is Essex cast member Kirk Norcross was also confirmed to be taking part in the series, with his ex-fiancee and Celebrity Big Brother star Cami-Li featuring as his ex. Star of Magaluf Weekender Jordan Davies was also revealed to be taking part in the series, also featuring as an ex. Megan McKenna and Jordan later returned for the fourth series. On 5 January 2016, cast member Megan McKenna entered the Celebrity Big Brother house to compete in the seveneeth series, and on 28 July 2016, Stephen Bear entered the house to compete in the eighteenth series where he left as the winner. Jordan Davies made another return to the show, this time during the fifth series with Jemma and Bear, and Holly also returning as an ex again. In August 2017, both Jemma Lucy and Jordan Davies took part in the twentieth series of Celebrity Big Brother.
Links: a. Stephen Bear b. Stephen Bear c. The Only Way Is Essex d. Ibiza Weekender
Example Output:
a