Question: the river separates india as north and south
[{'answer': 'Narmada River', 'provenance': [{'wikipedia_id': '14959556', 'title': 'Geography of South India', 'start_paragraph_id': 1, 'start_character': 319, 'end_paragraph_id': 1, 'end_character': 332, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mahanadi river', 'provenance': [{'wikipedia_id': '14959556', 'title': 'Geography of South India', 'start_paragraph_id': 1, 'start_character': 337, 'end_paragraph_id': 1, 'end_character': 351, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14959556', 'title': 'Geography of South India', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 475, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6689324588363855052}, 'section': 'Section::::Abstract.'}]}]