In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
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-Lô during 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,
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Example solution: a
Example explanation: The passage describes the 704th's actions during Operation Market Garden so only information about the operation is needed.

Problem: Question: Who was in charge at the Museum of Primitive Art the year Bliss co-signed the letter against McCarthy? Passage:Robert Bliss was involved with many cultural and civic organizations. He served as honorary president and trustee of the American Federation of Arts; president of the American Foreign Service Association; vice-chairman of the Smithsonian Art Commission; vice-chairman of the board of the National Trust for Historic Preservation; director and first vice-president of the Washington Criminal Justice Association; member of the American Academy of Political and Social Science; and member of the Harvard Board of Overseers. He was trustee of the American Museum of Natural History, New York; trustee and executive committee member of the Carnegie Institution, Washington, D.C.; trustee of Nelson Rockefeller's Museum of Primitive Art, New York; trustee of the Santa Barbara Museum of Art; and member of the Advisory Committee on Art of the State Department's Division of Cultural Relations and the Office of the Coordinator of Inter-American Affairs. He received honorary Doctor of Law degrees from the University of Missouri (1933); Syracuse University (1934); and Harvard University (1951). Robert Bliss was one of five retired diplomats who co-signed a 1954 letter protesting U.S. Senator Joseph McCarthy's attacks on the Foreign Service.


Solution: a