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: Phil Ruffin residence
Useful Output:

Doc 1: The 2,200-square-foot home at 515 Park Ave. features two bedrooms and 2½ bathrooms. Ruffin bought the home for $2.79 million in 2000, according
Doc 2: No one would say that Mr. Ruffin lacks real estate sense, and if he gets the $8.195 million he's asking for his condo at 515 Park Avenue—the
Doc 3: Ruffin lives in Las Vegas, but maintains holdings in Kansas, including the Wichita Greyhound Park and the Woodlands racetrack in Kansas City,
Doc 4: Age: 70 · Fortune: self made · Source: Casinos, real estate. Net Worth: 1.3 · Country Of Citizenship: United States · Residence: Wichita, Kansas, United States,
Doc 5: Treasure Island owner Phil Ruffin purchased the 10-acre Primm Ranch estate at 7000 Tomiyasu Lane in the southeast valley near Sunset Park in an October auction.