Question: at what point in the basic new products process are prototypes typically created
[{'answer': 'Implement', 'provenance': [{'wikipedia_id': '999536', 'title': 'Product design', 'start_paragraph_id': 22, 'start_character': 12, 'end_paragraph_id': 22, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Product design process.:Synthesis.\n'}]}]