Question: what do the knights of the southern cross do
[{'answer': 'promote the advancement of Australia', 'provenance': [{'wikipedia_id': '3666711', 'title': 'Knights of the Southern Cross', 'start_paragraph_id': 7, 'start_character': 15, 'end_paragraph_id': 7, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::The objects of the order.\n'}]}, {'answer': 'promote the welfare of members of the Order and their families'}, {'answer': 'encourage spiritual , social and intellectual activities amongst members of the Order'}, {'answer': 'conduct and support educational , charitable , religious and social welfare work'}, {'answer': 'foster the Christian way of life throughout the nation'}]