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: "in production of which mineral india is a leading country?" whose answer is Mica.
Each document should contain about 30 words, and these documents should contain useful information.

Query: leading iron ore producer in the world
Useful Output:

Doc 1: 1. Vale. Brazil's Vale is the world's largest iron ore miner, producing nearly 300 million metric tons of the vital steelmaking ingredient in
Doc 2: Brazil's biggest public company, Vale, is the world's largest producer of iron ore and nickel. The company runs the Carajás mine, the largest
Doc 3: Brazil's biggest public company, Vale, is the world's largest producer of iron ore and nickel. The company runs the Carajás mine, the largest
Doc 4: Brazil mining giant Vale has regained its crown as the world's top iron ore producer after losing it temporarily to Rio Tinto due to intense
Doc 5: Vale is the world's largest producer and exporter of iron ore and the largest mining company in the Americas, known as crown jewel and engine in