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: "what's the most used language in the world?" whose answer is Mandarin.
Each document should contain about 30 words, and these documents should contain useful information.

Query: most used language in the world
Useful Output:

Doc 1: With a total of 1.3 billion native speakers and counting, Chinese is the most spoken language in the world by number of native speakers.
Doc 2: English is the most spoken language in the world, with a number of speakers totaling more than 1.4 billion in 2023.
Doc 3: These are the 10 most spoken languages in the world  1. English - 1.42 billion  2. Mandarin Chinese - 1.38 billion  3. Hindi - 662 million.
Doc 4: What Are The Most Spoken Languages in the World? · English – 1.5 Billion Speakers · Mandarin Chinese – 1.2 Billion Speakers · Hindi – 609
Doc 5: Chinese leads the pack with nearly 918 million native speakers, followed by Spanish and English.