Question: what is the main cause of conflict between india and pakistan
[{'answer': 'Kashmir issue', 'provenance': [{'wikipedia_id': '142331', 'title': 'Indo-Pakistani wars and conflicts', 'start_paragraph_id': 1, 'start_character': 191, 'end_paragraph_id': 1, 'end_character': 204, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '142331', 'title': 'Indo-Pakistani wars and conflicts', 'start_paragraph_id': 1, 'start_character': 185, 'end_paragraph_id': 1, 'end_character': 414, 'bleu_score': 0.822129398471231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8456020073223588554}, 'section': 'Section::::Abstract.'}]}]