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.

Let me give you an 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.
The answer to this example can be: c
Here is why: The passage describes the 704th's actions during Operation Market Garden.

OK. solve this:
Question: In how many different countries is Guy Beiner a University Fellow? Passage:Guy Beiner was born and raised in Jerusalem and later moved to kibbutz Glil Yam. After traveling abroad, he relocated to the Negev region. Beiner is a graduate of Tel Aviv University and holds a PhD from the National University of Ireland. He was a Government of Ireland Scholar at University College Dublin, an Irish Research Council for Humanities and Social Sciences (IRCHSS) Fellow at Trinity College Dublin, a National Endowment for the Humanities (NEH) Fellow at the Keough-Naughton Institute for Irish Studies in the University of Notre Dame, a Government of Hungary Fellow at the Central European University in Budapest, a Gerda Henkel Marie Curie Fellow at the Faculty of History of the University of Oxford, a research associate of St Catherine's College, Oxford and a Burns Scholar at Boston College. At Ben-Gurion University, he has repeatedly received the Rector's prize for teaching excellence and was twice the recipient of the David and Luba Glatt Prize for Exceptional Excellence in Teaching.
Links: a. National Endowment for the Humanities b. Boston College c. Tel Aviv University d. Trinity College Dublin
Answer:
d