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: "At which stadium did Ashley Spencer earn her Olympic bronze medal?" whose answer is Olympic Stadium.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Rio 2016 Olympic Games stadium 400m hurdles
Useful Output:

Doc 1:  Stadium: Kerron Clement (USA) is gold, Boniface  2016: ATHLETICS RIO 2016 OLYMPICS - 400m Hurdles Athletics podium of the Rio 2016
Doc 2: Rio 2016 Olympic Games Men's 400m hurdles semi-finals ; ID. 35115019 ; Collection. Editorial Standard ; License type. Editorial ; Photographer.
Doc 3: There was yet more joy for the USA in the men's 400m hurdles final, with Kerron Clement turning in a powerful performance and holding off a late
Doc 4: The change involves a minor swap between the women's 200m and 400m hurdles on 15 August. The first round of the women's 200m, which was
Doc 5: 31st Rio 2016 Olympics / Athletics : Women's 400m Hurdles Final ; Small. $175.00 ; Medium. 1024 x 682 px (3.41 x 2.27 in). 300 dpi | 0.7 MP ; Large.