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: "What vehicle was introduced in 1998 by Daimler AG as a City car which battery electric variant's field testing started in London in 2007?" whose answer is Smart Fortwo.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Daimler AG 1998 City car electric variant London 2007
Useful Output:

Doc 1: It saw the creation of DaimlerChrysler – a new company formed from a merger which was completed in record time and with the overwhelming
Doc 2: Launched in 1998 in an attempt to raise. Daimler's profile in the small city-car segment, the project lost money almost continuously. For example, in 2004 on
Doc 3: As the worldLs leading manufacturer of trucks, the Daimler Trucks division develops and produces vehicles of the. Mercedes¥Benz, Freightliner, Sterling, Western
Doc 4: On 7 May 1998, Daimler-Benz AG in Germany and Chrysler Corporation in the USA signed a merger contract to form DaimlerChrysler AG.
Doc 5: The following codes apply to the indicated vehicle VMA and BRA codes (further explanation can be found in the NCIC. Operating Manual, Vehicle File chapter).