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: "what entertainment ride was introduced at the world’s columbian exhibition?" whose answer is Ferris Wheel.
Each document should contain about 30 words, and these documents should contain useful information.

Query: entertainment ride introduced at the world's columbian exhibition 1893
Useful Output:

Doc 1: American engineer George Washington Gale Ferris Jr. had an idea to build a “gargantuan Ezekiel's Wheel” for the 1893 World's Fair.
Doc 2: The first Ferris wheel was a groundbreaking engineering marvel designed for the 1893 Chicago World's Fair (aka. World's Columbian
Doc 3: The Ferris Wheel​​ Now a staple of all fairs, the Ferris Wheel's first fair was the World's Columbian Exposition. The Chicago World's Fair was
Doc 4: The great Ferris Wheel on the Midway Plaisance of the World's Columbian Exposition opened to the public on June 21, 1893.
Doc 5: The Ferris Wheel and a captive balloon were dramatic sights on the Midway Plaisance at the exposition, where 1.5 million people paid 50 cents