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: Which city that Trey Parker and Matt Stone commuted to has a larger population? Passage:The film opens as South Park creators Trey Parker and Matt Stone leave New York City and the 2011 opening night of their Broadway production The Book of Mormon to return to Los Angeles to begin the fifteenth season of South Park. The documentary chronicles the production of the season premiere, "HumancentiPad", beginning the Thursday prior to airing. Parker and Stone, alongside producers Anne Garefino, Vernon Chatman, Bill Hader, and Susan Arneson, discuss ideas for the episode. Parker mentions his annoyance with downloading the latest version of iTunes, and being forced to comply with the software's long list of terms and conditions. The rant leads to ideas, with Parker instructing the storyboard team on how to stage a shot. The film covers various aspects of production, including voice acting, animation, lip sync, communication with standards and practices, character design, and editing.
Links: a. Bill Hader b. The Book of Mormon (musical) c. Broadway theatre d. New York City
Example Output: d

Example Input: Question: Which of the two Chicago Bulls player who were teammates on Detroit Pistons and won back-to-back titles had a longer tenure with the Pistons? Passage:The 199596 NBA season was the Bulls' 30th season in the National Basketball Association. During the offseason, the Bulls acquired rebound-specialist Dennis Rodman from the San Antonio Spurs, and signed free agent Randy Brown. Midway through the season, the team signed John Salley, who was released by the expansion Toronto Raptors. Salley won championships with the Detroit Pistons along with Rodman in 1989 and 1990. The 1996 Bulls is regarded to be the greatest Jordan team of the 90s and undoubtably of all time. This saw the Bulls set the record for most wins in an NBA regular season in which they won the championship, finishing with 72 wins and 10 losses. The regular season record was broken by the 201516 Golden State Warriors, who finished 739. The Warriors(2015-2016) have a connection to the (1995-1996) Bulls team, as Steve Kerr, the current Golden State coach, was a reserve point guard with the Bulls.
Links: a. 199596 Toronto Raptors season b. Detroit Pistons c. Dennis Rodman d. Dennis Rodman
Example Output: c

Example Input: Question: What is the population of the country where the UNESCO World Heritage Site Historic Monuments of Ancient Nara are located? Passage:The UNESCO World Heritage Site Historic Monuments of Ancient Nara encompasses eight places in the old capital Nara in Nara Prefecture, Japan. Five are Buddhist temples, one is a Shinto shrine, one is a Palace and one a primeval forest. The properties include 26 buildings designated by the Japanese Government as National Treasures as well as 53 designated as Important Cultural Properties. All compounds have been recognized as Historic Sites. The Nara Palace Site was designated as Special Historic Site and the Kasugayama Primeval Forest as Special Natural Monument. Todai-ji, Kofuku-ji and the Kasugayama Primeval Forest overlap with Nara Park, a park designated as one of the "Places of Scenic Beauty" by the Ministry of Education, Culture, Sports, Science and Technology (MEXT). UNESCO listed the site as World Heritage in 1998.
Links: a. Japan b. Ministry of Education, Culture, Sports, Science and Technology c. Important Cultural Property (Japan) d. Shinto shrine
Example Output:
a