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: "who is the older brother mario or luigi?" whose answer is Mario.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who is older mario or luigi
Useful Output:

Doc 1: Luigi - Same as Mario, Luigi is around 24-25 as well. He's always been seen as Mario's twin brother, with Wonder specifically stating he's a
Doc 2: As reported by Ars Technica, Miyamoto confirmed in 2016 that Mario is, in fact, Luigi's elder, with Nintendo later weighing in to further
Doc 3: Mario is the older brother and Luigi the younger one. Regardless, there's no question that the two remain one of pop culture's most iconic and formidable duos.
Doc 4:  (Luigi being younger than Mario by a few years) - https://www.mariowiki.com/Star_children (All the babies from Yoshi's Island DS) - https
Doc 5: Mario and Luigi are twins, but Mario was born first. What makes it confusing is that people say the Luigi's younger than Mario by 2 or 3