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: "when did the i phone 5s come out?" whose answer is September 20, 2013.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the iPhone 5s come out
Useful Output:

Doc 1: Aug. 20, 2013 &#151; -- "When is the next iPhone coming out?" "Should I wait for the next iPhone or just get one now?" "And why would I want
Doc 2: iPhone 5s & iPhone 5c Arrive on Friday, September 20. CUPERTINO, California—September 17, 2013—Apple® today announced that iPhone® 5s, the most
Doc 3: iPhone 5s & iPhone 5c Arrive on Friday, September 20  iPhone 5s and iPhone 5c will be available in the US, Australia, Canada, China, France,
Doc 4: The iPhone 5S and 5C were both released on September 20, 2013. The iPhone 5S introduced Touch ID, a fingerprint sensor integrated into the home
Doc 5: It was started on September 20, 2013. Apple held an event to begin the iPhone 5S, along with the iPhone 5C, on September 10, 2013