Question: which countries form tri point of the diphu mountain pass
[{'answer': 'India', 'provenance': [{'wikipedia_id': '4806762', 'title': 'Diphu Pass', 'start_paragraph_id': 1, 'start_character': 83, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'China', 'provenance': [{'wikipedia_id': '4806762', 'title': 'Diphu Pass', 'start_paragraph_id': 1, 'start_character': 90, 'end_paragraph_id': 1, 'end_character': 95, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Myanmar', 'provenance': [{'wikipedia_id': '4806762', 'title': 'Diphu Pass', 'start_paragraph_id': 1, 'start_character': 101, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4806762', 'title': 'Diphu Pass', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 207, 'bleu_score': 0.8749766281017171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17812420230682516967}, 'section': 'Section::::Abstract.'}]}]