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 of Banjo Paterson's most notable poems has been described as Australia's "unofficial national anthem"?" whose answer is "Waltzing Matilda".
Each document should contain about 30 words, and these documents should contain useful information.

Query: Banjo Paterson poem described as Australia's "unofficial national anthem"
Useful Output:

Doc 1: Waltzing Matilda is now known the world over as Australia`s unofficial national anthem and inspiration. During his life Banjo wrote many poems about the
Doc 2:  Australian poem or song.  It has had minor changes over the decades by other people but this original still stands firm as our unofficial 'national anthem'.
Doc 3: His best-known ballad, "Waltzing Matilda," has become synonymous with Australian culture, often regarded as the unofficial national anthem. Throughout his life,
Doc 4:  poem by “Banjo” Patterson and is Australia's best-known bush ballad. It has been described as the country's “unofficial national anthem”.
Doc 5:  Australia's unofficial national anthem, “Waltzing Matilda.” Born in rural Narrambla, New South Wales, in early 1864, Paterson spent his