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: "which country was the first to go to space?" whose answer is the Soviet Union.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first country to send a human into space
Useful Output:

Doc 1: The first human to go into space, Yuri Gagarin, was launched, again by the Soviet Union, for a one-orbit journey around Earth on April 12, 1961.
Doc 2: Since the first human spaceflight by the Soviet Union (12 April 1961), citizens of 38 countries have flown in space. For each nationality, the launch date of
Doc 3: However, the first country to send a cosmonaut to space as part of the program was Czechoslovakia. Of course, Czechoslovakia is now two distinct
Doc 4: The country sent its first taikonaut into space ten years after founding its agency – China National Space Administration, or CNSA – in 1993 (
Doc 5: Canada, the Netherlands, Belgium, Italy, Switzerland, Spain, and Sweden all sent their first citizens to space this way. After Ulf Merbold's