Question: what two groups represent the middle eastern conflict in iraq
[{'answer': 'Shia', 'provenance': [{'wikipedia_id': '48998216', 'title': 'Iran–Saudi Arabia proxy conflict', 'start_paragraph_id': 3, 'start_character': 189, 'end_paragraph_id': 3, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Sunni', 'provenance': [{'wikipedia_id': '48998216', 'title': 'Iran–Saudi Arabia proxy conflict', 'start_paragraph_id': 3, 'start_character': 248, 'end_paragraph_id': 3, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48998216', 'title': 'Iran–Saudi Arabia proxy conflict', 'start_paragraph_id': 77, 'start_character': 0, 'end_paragraph_id': 77, 'end_character': 391, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14355836029723258789}, 'section': 'Section::::Involvement in regional conflicts.:Iraqi Civil War.\n'}]}]