Question: the lost-wax technique pertains to which sculpture process
[{'answer': 'casting', 'provenance': [{'wikipedia_id': '885375', 'title': 'Lost-wax casting', 'start_paragraph_id': 0, 'start_character': 9, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]