Detailed Instructions: In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.
Q: Question: How many years had the Cold War been going on at this point? Passage:During the presidential campaign of 1948, as Cold War fears of communist global expansion mounted, critics of the Truman administration heatedly raised the question "Who Lost China?." Criticism mounted after Truman's surprising victory in the election as the Communist Party of China led by Mao Zedong steadily defeated Chinese Nationalist armies of Chiang Kai-shek and was winning the Chinese Civil War. In November 1948 John Paton Davies proposed a collection of documents to explain and defend American policy in China to the American public, an idea that Secretary of State Dean Acheson ordered his staff to prepare. The group was headed by the Director of the Far Eastern Division, Walton Butterworth but much of the work was done by John F. Melby, who had served for the State Department in the Soviet Union and China during the war, and by Charles Yost. The 1054 page volume was published August 1949, as Mao and his retinue waited outside the city of Beiping, as Beijing was then called,

A:
During the presidential campaign of 1948, as Cold War fears of communist global expansion mounted, critics of the Truman administration heatedly raised the question "Who Lost China?