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 controlled the house and senate in 2010?" whose answer is the Democratic Party.
Each document should contain about 30 words, and these documents should contain useful information.

Query: control of house and senate 2010
Useful Output:

Doc 1: A simple chart showing trends in which party holds the majority in the House and Senate and whether similar trends occur in state legislatures.
Doc 2: Today, Americans are heading to the polls for midterm elections, where the entire House and 35 Senate seats will be up for grabs.
Doc 3: US Republicans have seized the House of Representatives in mid-term elections, dealing a severe blow to President Barack Obama's ability to pass laws.
Doc 4: In electing a new Congress every two years, American voters decide who will speak for them in crafting legislation, determining government
Doc 5: This gave the Democrats the advantage in the Senate, having the majority of members on their side. House of Representatives. Party split of the 111th House. For