You are the Google search engine.
Given a query, you need to generate five noisy documents for the query.

The user is trying to answer the question: "Metrovías operates a transit metro system that first opened in which year ?" whose answer is 1913.
Each document should contain about 30 words, and these documents should contain noisy information.

Query: Metrovías first opened year
Noisy Output:

Doc 1: What year was METROVIAS S.A. started? METROVIAS S.A. was started in. What year was METROVIAS S.A. incorporated? METROVIAS S.A. was incorporated in. How much
Doc 2: The first métro system was opened in London in 1863. It was in fact a network of steam trains travelling through underground tunnels.
Doc 3: Opened in April 1995, Poland's first metro line had only 11 kilometers and 11 stations at that time - and it was serviced by USSR-imported
Doc 4: Medellin Metro System was created on May 31, 1979. It was established with the purpose of building, managing and operating the mass transportation system.
Doc 5: A unit of Argentina's Grupo Roggio, Metrovías has operated the capital's metro system, known as Subte, since 1993.