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.

[Q]: Question: How old was Conrad Susa when The Dangerous Liaisons first premiered? Passage:The Dangerous Liaisons is an opera in two acts and eight scenes, with music by Conrad Susa to an English libretto by Philip Littell. It is based on the novel Les Liaisons dangereuses by Pierre Choderlos de Laclos. The opera has set numbers with recitative and spoken dialog. It is set in France in the 18th century. The opera received its first performance by the San Francisco Opera on 10 September 1994, with stage direction by Colin Graham and Donald Runnicles as the conductor. The world-premiere cast included Thomas Hampson as Valmont, Frederica von Stade as Merteuil, David Hobson as Chevalier de Danceny, Renée Fleming as Tourvel and Mary Mills as Cécile de Volanges. The opera was performed at Washington Opera in March 1998. It was also aired on the American PBS television network's Great Performances, a video recording of which was also made. Albany Records released an audio recording of a performance by Manhattan School of Music Opera Theater in 2016.
 Links: a. Conrad Susa b. Thomas Hampson c. Conrad Susa d. Mary Mills (soprano)
[A]: a


[Q]: Question: How many years did the owner of the private observatory live? Passage:It would seem that Gill's interests lay elsewhere since after a few years he sold the business, and then spent time equipping Lord Lindsay's private observatory at Dun Echt, Aberdeenshire. In 1874, Gill joined the expedition to Mauritius to observe the transit of Venus. Three years later he went to Ascension Island to observe a near approach of Mars and to calculate its distance. While carrying out these laborious calculations, he was notified of his appointment to the Cape Observatory, which, over the following 27 years he was to refurbish completely, turning it into a first-rate institution. Gill was a meticulous observer and had a flair for getting the best out of his instruments. His solar parallax observations with a heliometer and his calculations of distances to the nearer stars, are testimony to his outstanding work. He recruited Robert Innes to the Cape Observatory.
 Links: a. South African Astronomical Observatory b. Aberdeenshire (historic) c. James Lindsay, 26th Earl of Crawford d. South African Astronomical Observatory
[A]: c


[Q]: Question: Did Jason Pominville win during Game 2 of the 2006 NHL playoffs? Passage:To begin the 2005–06 campaign, Pominville had initially been waived by the Sabres. Clearing waivers, he continued to play in the minors until he was called up a few months into the season. He scored his first NHL goal on November 27, 2005 – a powerplay goal against Olaf Kölzig in a 3–2 win against the Washington Capitals. Pominville quickly became an integral part of the Sabres line-up and finished the rest of the season with the Sabres with 18 goals in 57 games. In the 2006 playoffs, he recorded a hat-trick in Game 2 of the first round against the Philadelphia Flyers. Later in the Sabres' playoff run, he scored the series-clinching goal in the second round against the Ottawa Senators – a shorthanded effort in overtime of Game 5. It marked the first time in NHL history that a playoff series was decided by an overtime shorthanded goal. Buffalo announcer Rick Jeanneret marked this occasion with a call that is now famous in Buffalo hockey lore: "Oh, now do you believe? Now do you believe? These guys are good, scary good!" The Sabres had qualified as the fourth seed in the playoffs after failing to qualify the previous three seasons.
 Links: a. Philadelphia Flyers b. Rick Jeanneret c. 2006 Stanley Cup playoffs d. Olaf Kölzig
[A]:
c