Question: the constituent assembly was formed on the basis of which plan
[{'answer': 'the Cabinet Mission Plan', 'provenance': [{'wikipedia_id': '1589530', 'title': 'Constituent Assembly of India', 'start_paragraph_id': 3, 'start_character': 327, 'end_paragraph_id': 3, 'end_character': 351, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1589530', 'title': 'Constituent Assembly of India', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1229, 'bleu_score': 0.6798340697145301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4124098314915934751}, 'section': 'Section::::Abstract.'}]}]