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: Who owns the tallest building in Dubai? Passage:Dubai, the largest city in the United Arab Emirates, is home to many modern high-rises, 108 of which stand taller than . The tallest building in Dubai is the Burj Khalifa, which rises and contains 163 floors. The tower has stood as both the tallest building in the world and the tallest man-made structure of any kind in the world since its completion in January 2010. The second-tallest building in Dubai is the Marina 101, which also stands as the world's second tallest residential skyscraper. The skyscrapers of Dubai are, for the most part, clustered in three different locations. The land along E 11 Road was the first to develop, followed by the Dubai Marina neighborhood and the Business Bay district.
 Links: a. List of tallest buildings b. Burj Khalifa c. Burj Khalifa d. Burj Khalifa

Ex Output:
b


Ex Input:
Question: In what country is the Nikos Kazantzakis Stadium located? Passage:The «Nikos Kazantzakis» Stadium (), formerly known as Ergotelis Stadium and more commonly as Martinengo Stadium, is a football stadium located on the Martinengo bastion, part of the fortifications of Heraklion, on the island of Crete. It is named after Modern Greek literature giant Nikos Kazantzakis, whose grave is also located on the same bastion. It is part of the Ergotelis Athletic Centre, a sport facilities complex owned by Greek multi-sport club Ergotelis. Built in 1946, as Ergotelis Stadium (), it was the traditional home ground of Greek football club Ergotelis until 2004, when the club moved to the Pankritio Stadium, Heraklion's largest and most modern sports venue. The complex currently houses the Ergotelis Youth Academy, the largest youth sports academy on the island of Crete, and one of the largest in Greece, while the stadium itself is still used as the home ground of multiple Heraklion football clubs playing in the Heraklion Football Clubs Association amateur league system. It has a capacity of about 1,000 spectators, of which approximately 600 can be seated.
 Links: a. Crete b. Stadium c. Heraklion d. Crete

Ex Output:
a


Ex Input:
Question: Which co-creator of The New Adeventures of Pinocchio is the oldest? Passage:The New Adventures of Pinocchio is a syndicated stop motion animated television series produced by Rankin/Bass Productions in the United States and made by Dentsu Studios in Japan. Created by Arthur Rankin, Jr. and his partner Jules Bass, it was based on the book The Adventures of Pinocchio written by Italian author, Carlo Collodi. The series was Rankin/Bass' first production to be made in "Animagic", a stop motion puppet technique which, in association with the company, was done by Tadahito Mochinaga's MOM Productions (before Mochinaga leaves for China after the finished animation for Mad Monster Party?). A total of 130 five-minute "chapters" were produced in 1960–61. These segments made up a series of five-chapter, 25-minute episodes. During 1963–64, the series was also aired in Japan on Fuji TV as part of another stop motion TV series, Prince Ciscorn (シスコン王子, lit. Ciscorn Ōji), based on the manga by Fujiko Fujio and also produced by Tadahito Mochinaga for Studio KAI and Dentsu.
 Links: a. Mad Monster Party? b. Tadahito Mochinaga c. Tadahito Mochinaga d. Arthur Rankin Jr.

Ex Output:

d