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 was the first mario bros. game released?" whose answer is 1983.
Each document should contain about 30 words, and these documents should contain useful information.

Query: release date of the first Mario Bros game
Useful Output:

Doc 1: 13th September 1985: Super Mario Bros. video game first released in Japan.
Doc 2: Considering a mini game today, Mario Bros was released as an arcade game in 1983. It was also the first to feature Mario as a plumber. Mario and
Doc 3: Super Mario Bros. (1985) Full Walkthrough NES Gameplay [Nostalgia].
Doc 4: The Nintendo console, or Nintendo Entertainment System (NES), was released as the Famicom in Japan on July 15, 1983. The Famicom offered the
Doc 5: games, right? Gamefaqs (and most other sites) have listed Super Mario Bros. release date as October 18th 1985. However, WIRED did an article on