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: "bikram samvat the official calender of which country?" whose answer is Nepal.
Each document should contain about 30 words, and these documents should contain useful information.

Query: official use of Bikram Samvat calendar
Useful Output:

Doc 1: It is also known as the Vikrami calendar is a Hindu calendar historically used in the Indian subcontinent and still used in several states. It
Doc 2: Since Vikram Samvat has gained officiality, this Samvat is used in all government functions and in every office, station, court. Although the
Doc 3: As one of the national calendars in Nepal, the Vikram Samvat sets the dates each year for important holidays and festivals. The Vikram Samvat
Doc 4: The Vikram Samvat is used mainly for traditional festivals for computing of dates. It was adopted for use on November 26, 1949, as recorded in
Doc 5: The traditional Vikram Samvat calendar, used in Bhārat by Hindus, Sikhs, and Pashtuns, uses 12 lunar months and a solar sidereal year. The lunar