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 identified the tube connecting the ear and throat?" whose answer is Bartolomeo Eustachi.
Each document should contain about 30 words, and these documents should contain useful information.

Query: discovery of the Eustachian tube
Useful Output:

Doc 1: Bartolommeo Eustachi (Eustachius), a sixteenth century Italian anatomist, described the tube that connects the middle ear cavity with the throat
Doc 2: History and etymology​​ The Eustachian tube is named after the Italian anatomist Bartolomeo Eustachio (also spelled Eustachi and known by the
Doc 3: July, 2006, Launch of Space Shuttle Discovery STS-121. See attached  The main function of the eustachian tube is ventilation of the middle ear
Doc 4: The eustachian tube lumen develops in the embryo by the lateral extension of the endoderm of the first pharyngeal pouch as it touches the inner
Doc 5: Schwartze first described patulous eustachian tube in 1864 when he noted a scarred atrophic eardrum moving synchronously with respiration.