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: 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.
Example output: c
Example explanation: The passage describes the 704th's actions during Operation Market Garden.
Q: Question: How many judges comprise the body that Gyles served as an additional member of? Passage:After practising as a solicitor, Gyles was admitted to the New South Wales Bar in 1964 and took silk in 1975. He acted as Master in Equity in 1975 and as a Judge of the Supreme Court of New South Wales in 1989. Between 1982 and 1984 he acted as Special Commonwealth Prosecutor into Bottom of the harbour tax avoidance, and between 1990 and 1992 he was Royal Commissioner into the Building Industry in New South Wales. He has been President of both the New South Wales and Australian Bar Associations. Gyles was a Judge of the Federal Court of Australia from 1999 to 2008 and then an Acting Judge of the Court of Appeal of the Supreme Court of New South Wales. He has served as an additional judge of the Supreme Court of the Australian Capital Territory, a Deputy President of the Australian Competition Tribunal, a Presidential Member of the Administrative Appeals Tribunal and an Arbitrator of the Court of Arbitration for Sport. In December 2014 Gyles was named the Independent National Security Legislation Monitor.
Links: a. Supreme Court of the Australian Capital Territory b. Royal commission c. Royal commission d. Court of Arbitration for Sport
A:
a