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 old was the player who signed with Sunderland on September 8th, at the time of the signing? Passage:Sunderland opened the month with a 10 defeat away to Manchester United on 1 September, Louis Saha scored the winner 18minutes from full-time. Roy Keane said "I'm delighted with the overall performance. It would have been nice to test their goalkeeper a bit more but overall I'm delighted with the players' efforts." about the team's display. Jack Pelter signed for Sunderland on 8 September, from New Zealand team Canterbury United, on a free transfer in an original one-month deal. Two weeks after the defeat to Manchester United, Sunderland beat Reading 21 on 15 September. Kenwyne Jones and Ross Wallace scored the Sunderland goals in a game which was overshadowed by the tribute paid to 1973 FA Cup Final scorer Ian Porterfield who died on 11 September 2007. Sunderland met Middlesbrough on 22 September in their first north east derby of the season. Grant Leadbitter scored in the 2nd minute to put Sunderland in front, but two ex-Sunderland players; Julio Arca and Stewart Downing put Middlesbrough into the lead. Liam Miller scored an 89th minute volley to save a point for Sunderland. Grant Leadbitter scored his second goal in as many games on 29 September as Blackburn Rovers beat Sunderland 21.
Links: a. Jack Pelter b. Jack Pelter c. 1973 FA Cup Final d. Julio Arca
A:
a