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: "If you are taking the M2 motorway to one of the Northern Ireland's most busiest airport what airport are you going to?" whose answer is Belfast International Airport.
Each document should contain about 30 words, and these documents should contain useful information.

Query: busiest airport in Northern Ireland
Useful Output:

Doc 1: Belfast International Airport recorded its busiest ever year in 2024 · French owner Vinci Airports say 6.757 million passengers flew last year.
Doc 2: Belfast International is now the fifth busiest airport in the United Kingdom for domestic passenger traffic.
Doc 3: Around 6.8 million passengers flew in and out of the airport last year – its busiest year to date. Read More. Belfast City Airport celebrates
Doc 4: Visit Belfast and Belfast International Airport take flight in new tourism partnership after 6.8 million passengers flew in and out of the
Doc 5: Belfast International was one the UK's busiest airports in September with over 500000 passengers.