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: "where does the columbia river meet the snake river?" whose answer is Burbank, Washington.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Columbia River Snake River junction
Useful Output:

Doc 1: Shortly below the confluence with the Snake River, its largest tributary, the Columbia turns west and continues 300 miles (480 km) to the ocean
Doc 2: River cruise lines on the Columbia and Snake Rivers typically operate from April to November, with no month being a particularly bad time to sail.
Doc 3: Started from the Snake River Junction trailhead and hiked south with a few club members. Suggest taking the Pasco Kahlotus road all the way
Doc 4: Drive down the steep, winding Snake River Road through McCoy Canyon. At 28.8 miles, stay straight at the junction to reach the end of the road (5 miles from
Doc 5: If you seek solitude and a flat day hike along the Snake River, then this segment of the Columbia Plateau Trail system is for you.