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: "Which is airport is located in German and second busiest airport in Germany and operates a dense domestic and European network as a member of Lufthansa Cityline?" whose answer is Munich Airport.
Each document should contain about 30 words, and these documents should contain useful information.

Query: second busiest airport in Germany and Lufthansa Cityline
Useful Output:

Doc 1:  Germany's second-busiest airport. Much of the growth can be attributed to the success of Lufthansa in converting the airport into its second hub
Doc 2: As Germany's national airline, Lufthansa continue to dominate capacity at the two main airport hubs - Frankfurt and Munich - where they hold close to 60% share
Doc 3: Located in the southeast of the country, Munich Airport (MUC) is one of two German facilities listed by OAG as being among the ten busiest air
Doc 4: Throughout recent history, Munich has consistently been Germany's second-busiest  The airport is a hub for German flag carrier Lufthansa, as
Doc 5: Munich Airport (IATA: MUC, ICAO: EDDM, Franz Josef Strauss International Airport) is the secondary hub of Lufthansa, Lufthansa CityLine and it's