You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did the last chinese imperial dynasty end?" whose answer is 1912.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the last Chinese imperial dynasty end
Useful Output:

Doc 1: Puyi (1906–1967) was emperor of China from 1908 to 1912. His life was one long tragedy. Denied a childhood, he was always somebody's pawn or
Doc 2: The Qing Dynasty was the final imperial dynasty in China, lasting from 1644 to 1912. It was an era noted for its initial prosperity and
Doc 3: Last Emperor: Puyi , the Xuantong Emperor of the Qing Dynasty. Reign: Puyi's reign officially lasted from December 2, 1908, to February 12, 1912
Doc 4: The Qing were the last imperial dynasty in China, reigning between the seventeenth century to the Chinese republic in the twentieth.
Doc 5: The empire fell in 1911 during the Xinhai Revolution and made way for the Republic of China.