Question: what do the five stars on the australian flag stand for
[{'answer': 'the Southern Cross', 'provenance': [{'wikipedia_id': '5094710', 'title': 'Flag of Australia', 'start_paragraph_id': 1, 'start_character': 246, 'end_paragraph_id': 1, 'end_character': 264, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5094710', 'title': 'Flag of Australia', 'start_paragraph_id': 17, 'start_character': 0, 'end_paragraph_id': 17, 'end_character': 109, 'bleu_score': 0.8852140475440831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15986397531247133222}, 'section': 'Section::::Construction.\n'}]}]