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 type of grass is wimbledon played on?" whose answer is 100% perennial ryegrass.
Each document should contain about 30 words, and these documents should contain useful information.

Query: what type of grass is wimbledon played on
Useful Output:

Doc 1: Wimbledon is the only one of the Grand Slam events to have grass courts, so professional tennis players are tested on a variety of surfaces.
Doc 2: The courts at Wimbledon are sown every year with 100% perennial ryegrass mix. Notably, this is a type of grass that rapidly grows during the cold season.
Doc 3: The perennial ryegrass used at Wimbledon is typically comfortable in cooler temperatures, but starts to react negatively as the thermometer
Doc 4: New in 2001, the All England Club switched from a mixture of 70 percent ryegrass and 30 percent red fescue to a 100 percent ryegrass for
Doc 5: The grass courts at Wimbledon were grown from a mixture of two grasses up until 2001, then shifted to only ryegrass, which allows