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: "where was the first world youth day held?" whose answer is Buenos Aires, Argentina.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first world youth day location
Useful Output:

Doc 1: For Pope Francis' first World Youth Day, he took a seven-day apostolic journey to Rio de Janeiro, Brazil, where he addressed millions of attendees. The
Doc 2: He started by inviting young people to join him in Rome in 1985 for Palm Sunday and then the first international World Youth Day event was held
Doc 3: It is celebrated at the diocesan level on Palm Sunday, and every two, three or four years as an international gathering in a city chosen by the Pope, with the
Doc 4: After two successful international gatherings with young people in Rome in 1984 and 1985, St. John Paul II instituted the annual observance of World Youth
Doc 5: Nearly 40 years ago, an event was held in Rome that laid the foundations for what today is World Youth Day (WYD).