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: "In which city does this American businessman who owned Wichita Greyhound Park live?" whose answer is Las Vegas.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Wichita Greyhound Park owner
Useful Output:

Doc 1: develop in the future under the ownership of Mr. Ruffin and Mr. Stevens.” These two entities will assume ownership of their respective
Doc 2: When Sedgwick County voted down a proposal to allow slot machines at billionaire Phil Ruffin's dog racing track in 2007, the Wichita
Doc 3: The Wichita Eagle reports racing magnate Phil Ruffin bought an 82-acre tract that includes the park buildings and the racetrack, which he closed
Doc 4: Owner Phil Ruffin decided to sell everything inside the old dog racing track, and they wanted it all gone. It was a trip down memory lane for
Doc 5: Developer Phil Ruffin owned the Wichita Greyhound Park and paid Sedgwick County about $87,000 a year in a lease that expires in 2039. Pushes for