Original sentence: Although ethnicity is a fluid concept, officially the PRC views itself as a multi-ethnic nation with 56 recognized ethnicities.EP-3 propeller reconnaissance plane operating in international waters off the Chinese coast while conducting signals reconnaisance was "buzzed" by a Chinese jet fighter, leading to an accidental collision in which the fighter crashed and its pilot was killed.Taiwan's political status is controversial; it is governed by the Republic of China, which is currently based in Taipei.The People's Republic of China (PRC) is a state that de facto comprises of most of the cultural, historic, and geographic area known as China.The People's Republic of China claims sovereignty over but does not administer and has never administered Taiwan (along with Pescadores, Quemoy, and Matsu).The largest subdivision (most Chinese can speak both the local language and Mandarin) of spoken Chinese is Mandarin Chinese, with more speakers than any other language on Earth.The majority Han Chinese speak varieties of spoken Chinese, which is often regarded as one language by Chinese but is properly regarded as a family of languages
Edited sentence: EP-3 propeller reconnaissance plane operating in international waters off the Chinese coast was "buzzed" by a Chinese jet fighter, leading to an accidental collision in which the fighter crashed and its pilot was killed.Officially the PRC views itself as a multi-ethnic nation with 56 recognized ethnicities.Taiwan's political status is controversial; it is administered by the Republic of China, which is currently based in Taipei.The People's Republic of China (PRC) is a state that comprises most of the cultural, historic, and geographic area known as China.The People's Republic of China claims sovereignty over but does not administer Taiwan (along with the Pescadores, Quemoy, and Matsu).The largest subdivision of spoken Chinese is Mandarin Chinese, with more speakers than any other language on Earth.The majority Han Chinese speak varieties of spoken Chinese, which can be regarded as either one language or a family of languages