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: "The Oregon Trail is a 2009 iOS and DSiware version of a computer game that was designed to teach school children about the realities of pioneer life in what century?" whose answer is 19th-century.
Each document should contain about 30 words, and these documents should contain useful information.

Query: pioneer life of the oregon trail
Useful Output:

Doc 1: Trailblazing is a word we use these days to describe people who have laid the path for future generations. But between 1811 and 1840,
Doc 2: Many of the pioneers undertaking the dangerous trail west, primarily women, kept diaries or wrote long letters to family back east. A number of
Doc 3: A half million traversed it overall, covering an average of 15 to 20 miles (24 to 32 km) per day; most completed their journeys in four to five months.
Doc 4: Headings. - Recreation; - Migration; - Pioneers; - Food; - Narratives; - United States -- Oregon -- Portland ; Genre. Narratives ; Call Number/Physical Location.
Doc 5: Close your eyes for a moment… Imagine the sound of prairie grass whipping in the wind, the whistling and whispers of mother nature breaking