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: "who is the first man who went to space?" whose answer is Yuri Alekseyevich Gagarin.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who was the first man to go to space
Useful Output:

Doc 1: Sixty years ago, Russian astronaut Yuri Gagarin became the first human in space. Exploration of the cosmos has come a long way since then.
Doc 2: Yuri Gagarin. He was the first human to journey into outer space, when his Vostok spacecraft completed an orbit of the Earth on 12 April 1961.
Doc 3: The Russians were the first to send a human in space, who was it? What happened? Yuri Gagarin April 12, 1961 Instagram:
Doc 4: Yuri Alekseyevich Gagarin was a Soviet pilot and cosmonaut. On 12 April 1961, he was the first human to fly into outer space;
Doc 5: Apollo 11 astronauts Neil Armstrong, Buzz Aldrin and Michael Collins. Fellow astronaut Edwin “Buzz” Aldrin was the second person on the moon,