input: Please answer the following: Determine the topic of the passage. "It usually occurs following a viral infection but may appear following vaccination , bacterial or parasitic infection, or even appear spontaneously." Topic:
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output: Acute disseminated encephalomyelitis


input: Please answer the following: Determine the topic of the passage. "Cluster sampling is a sampling technique used when "natural" but relatively homogeneous groupings are evident in a statistical population ." Topic:
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output: Cluster sampling


input: Please answer the following: Determine the topic of the passage. "Including human capital such as skills, the United Nations estimated the total wealth of the United States in 2008 to be $118 trillion." Topic:
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output: Wealth in the United States


input: Please answer the following: Determine the topic of the passage. "Richard Milhous Nixon (January 9, 1913 – April 22, 1994) was the 37th President of the United States , serving from 1969 to 1974, when he became the only president to resign the office." Topic:
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output:
Richard Nixon