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 is the nationality of the group of electrical engineering companies which created the DB Class 202?" whose answer is Swiss.
Each document should contain about 30 words, and these documents should contain useful information.

Query: DB Class 202 manufacturer
Useful Output:

Doc 1: Diesel locomotive, class 202, Deutsche Bahn AG (DB AG), epoch V. Prototypically painted and labeled. Used windows. Die-cast metal chassis. Engine with flywheel.
Doc 2: The DB Class 202, also commonly referred to under its manufacturers' designation Henschel-BBC DE2500, since it was only in experimental use
Doc 3: German Railways: Diesel multiple unit - DMU · DB - Class 628 · DB - Class 628 · Class / BR 605 · DB - Class 628 · All vehicles in our database associated with
Doc 4: DE: Diesel Locomotive: 202 (DB) ; Builder, Henschel, BBC ; Power, 1840 kW ; Weight, 80 t (002, 004), 76 t (003) ; Engine, Henschel V12 ; Transmission, Electric.
Doc 5: The new ICE 3neo was introduced in December 2022. It offers several new features and even greater comfort for passengers. Learn more about the ICE 3neo Learn