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 australian cross is on the australian flag?" whose answer is St George's Cross.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Southern Cross constellation on Australian flag
Useful Output:

Doc 1: It represents which half of the world the country is located it. The southern cross is also the navigation tool of sailors, so it is used as a
Doc 2: The flag of Australia features the Union Jack and Southern Cross on a blue background. The larger seven-pointed star (Commonwealth Star) below the Union Jack
Doc 3: The recognisable shape of the Southern Cross was substituted for their most familiar constellation, Ursa Major, as a way of remembering family
Doc 4: The flag features the five stars of the Southern Cross - the constellation that dominates the Australian night sky. Before being flown at
Doc 5: Discover the significance of the Southern Cross Constellation in Australia, which is also featured on its flag. Explore more about this iconic constellation