Question: who was australia fighting against in the vietnam war
[{'answer': 'Viet Cong', 'provenance': [{'wikipedia_id': '5777566', 'title': 'Military history of Australia during the Vietnam War', 'start_paragraph_id': 10, 'start_character': 836, 'end_paragraph_id': 10, 'end_character': 845, 'bleu_score': 1.0, 'section': "Section::::Australia's military involvement.:Australian advisors, 1962–1965.\n"}]}, {'answer': 'North Vietnamese Army', 'provenance': [{'wikipedia_id': '5777566', 'title': 'Military history of Australia during the Vietnam War', 'start_paragraph_id': 21, 'start_character': 439, 'end_paragraph_id': 21, 'end_character': 460, 'bleu_score': 1.0, 'section': "Section::::Australia's military involvement.:Increased Australian commitment, 1965–1970.\n"}]}, {'provenance': [{'wikipedia_id': '5777566', 'title': 'Military history of Australia during the Vietnam War', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 607, 'bleu_score': 0.8890376658464301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1287767697369041484}, 'section': "Section::::Australia's military involvement.:Increased Australian commitment, 1965–1970.\n"}]}]