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: "who takes credit for the invention of paper in china?" whose answer is court eunuch Cai Lun.
Each document should contain about 30 words, and these documents should contain useful information.

Query: invention of paper in china credited to
Useful Output:

Doc 1: The discovery shattered the prevailing view that paper had been invented by Cai Lun, an official at the imperial court who lived in the first
Doc 2: Paper-making, one of the Four Great Inventions of China, was invented in the Western Han Dynasty (202 BC - 9 AD) and improved in the Eastern Han Dynasty (25 -
Doc 3: In that year, historical records show that the invention of paper was reported to the Chinese Emperor by Ts'ai Lun, an official of the Imperial Court.
Doc 4: The Invention of Paper. The earliest scrap of paper still in existence, a crude material made mostly from hemp fiber found in a tomb in China
Doc 5: A form of paper money first appeared during the Tang Dynasty but was not widely used until the early 12th century CE and the Song Dynasty. It