This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

[Q]: Passage: Prussia emerged from the war as a great power whose importance could no longer be challenged. Frederick the Great’s personal reputation was enormously enhanced, as his debt to fortune (Russia’s volte-face after Elizabeth’s death) and to the British subsidy were soon forgotten while the memory of his energy and his military genius was strenuously kept alive. Russia, on the other hand, made one great invisible gain from the war: the elimination of French influence in Poland. The First Partition of Poland (1772) was to be a Russo-Prussian transaction, with Austria only reluctantly involved and with France simply ignored. Question: What gain did Russia make from the results of the war?
[A]: Russia, on the other hand, made one great invisible gain from the war: the elimination of French influence in Poland


[Q]: Passage: A physical USB device may consist of several logical sub-devices that are referred to as device functions. A single device may provide several functions, for example, a webcam (video device function) with a built-in microphone (audio device function). This kind of device is called a composite device. An alternative to this is compound device, in which the host assigns each logical device a distinctive address and all logical devices connect to a built-in hub that connects to the physical USB cable. Question: What are logical sub-devices referred to as?
[A]: device functions


[Q]: Passage: Many of Boston's medical facilities are associated with universities. The facilities in the Longwood Medical and Academic Area and in Massachusetts General Hospital are affiliated with Harvard Medical School. Tufts Medical Center (formerly Tufts-New England Medical Center), located in the southern portion of the Chinatown neighborhood, is affiliated with Tufts University School of Medicine. Boston Medical Center, located in the South End neighborhood, is the primary teaching facility for the Boston University School of Medicine as well as the largest trauma center in the Boston area; it was formed by the merger of Boston University Hospital and Boston City Hospital, which was the first municipal hospital in the United States. Question: The Longwood medical and Academic Area is affiliated with what medical school?
[A]:
Harvard Medical School