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 is telstar in fifa world cup 2018?" whose answer is the official match ball.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Telstar FIFA World Cup 2018
Useful Output:

Doc 1:  Telstar 2018, the ball designed for this summer's World Cup in Russia.  Scoring with EVERY World Cup football from 1986-2022. Unisport
Doc 2: Introducing The Official #FIFAWorldCup 26 Host City Poster ⚽ We have teamed up with local artists to create posters that reflect the
Doc 3: Getting ready for the #FIFACWC Click the link in our bio to get your tickets and see the world's best clubs in action!
Doc 4: Telstar 18 - the Official Match Ball for the 2018 FIFA World Cup! · Reimagining the Telstar - how one of the most iconic footballs of all time
Doc 5: Adidas Telstar 18 is name of official match ball of FIFA World Cup 2018 in Russia. The World Cup 2018 ball has a white base with a set of black and grey colors