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: "how old do you have to be to own a pistol in wisconsin?" whose answer is 18.
Each document should contain about 30 words, and these documents should contain useful information.

Query: age to own a pistol in wisconsin
Useful Output:

Doc 1: Yes. Private sales of handguns to individuals age 18 are allowed in Wisconsin, as long as the buyer and seller live in Wisconsin.
Doc 2: The current gun laws on the books say at age 18, per federal law, someone can buy a rifle or a shotgun. At age 21, someone can buy a handgun.
Doc 3: While 18 year olds cannot purchase a handgun, it is usually legal for an 18 year old to own one (Bureau of Alcohol, Tobacco, Firearms and
Doc 4: Any non-felon at least 18 years old or a minor who has the permission of a parent or guardian may purchase or possess, without a license,
Doc 5: Wisconsin law allows individuals who are 18 years of age or older to own a firearm if they are not prohibited from possessing one under state or federal law.