Question: what are the different phases of rapid application development model
[{'answer': 'Requirements planning phase', 'provenance': [{'wikipedia_id': '239993', 'title': 'Rapid application development', 'start_paragraph_id': 14, 'start_character': 13, 'end_paragraph_id': 14, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::The James Martin RAD method.\n'}]}, {'answer': 'User design phase', 'provenance': [{'wikipedia_id': '239993', 'title': 'Rapid application development', 'start_paragraph_id': 15, 'start_character': 13, 'end_paragraph_id': 15, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::The James Martin RAD method.\n'}]}, {'answer': 'Construction phase', 'provenance': [{'wikipedia_id': '239993', 'title': 'Rapid application development', 'start_paragraph_id': 16, 'start_character': 13, 'end_paragraph_id': 16, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::The James Martin RAD method.\n'}]}, {'answer': 'Cutover phase', 'provenance': [{'wikipedia_id': '239993', 'title': 'Rapid application development', 'start_paragraph_id': 17, 'start_character': 13, 'end_paragraph_id': 17, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::The James Martin RAD method.\n'}]}]