Given the task definition, example input & output, solve the new input case.
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: Question: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin? Passage: The group was occasionally diverted from strategic missions to carry out air support and interdiction missions. It supported Operation Overlord, the invasion of Normandy by attacking transportation targets, including bridges, along with airfields and strong points in France. On D Day, the squadron and the rest of the 446th Group led the first heavy bomber mission of the day. The 446th aided ground forces at Caen and Saint-Loduring July by hitting bridges, gun batteries, and enemy troops. During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. It struck lines of communications during the Battle of the Bulge. During Operation Varsity in March 1945, it supplied ground and airborne troops near Wesel. The squadron flew its last combat mission on 25 April 1945 against Salzburg, Austria. The group had flown 273 missions and had lost 58 aircraft during the war,
. Links: a. Allies of World War II b. Wesel c. Operation Market Garden d. Air Support.
Output: c
The passage describes the 704th's actions during Operation Market Garden.

New input case for you: Question: Which member of Miike Snow is the lead singer? Passage:"Black & Blue" was written by Miike Snow's three members, Christian Karlsson, Pontus Winnberg and Andrew Wyatt, in collaboration with Henrik Jonback and Juliet Richardson. Parts of the chorus were initially conceptualized by Karlsson and Winnberg, also known as Bloodshy & Avant, prior to forming the band in 2007. Karlsson told music website musicOMH, "It's the only song on the album that we had an idea before and we kind of saved [it], like we want this song for our own project. When we met Andrew [Wyatt] and we decided to start the band, it was only an idea, but we played it for Andrew and he really liked it." It was recorded at Robotberget, the band's own studio in Stockholm, Sweden. The band produced the track and then mixed it with Anders Hvenare. Columbia Records released "Black & Blue" as the album's second single on 15 October 2009 in Europe. The digital release includes the original version and remixes by Caspa, Jaymo & Andy George, Netsky, Savage Skulls and Tiga. In the United Kingdom, the iTunes Store version comes with the original track, remixes by Tiga and Caspa, and Mark Ronson's remix of the album's first single, "Animal". A 12" vinyl was released in the United Kingdom on 19 October 2009, featuring the aforementioned "Black & Blue" remixes, excluding Netsky's.
Links: a. Miike Snow b. Audio mixing (recorded music) c. Miike Snow d. Music download
Output:
a