Question: what describes the three impacts of a crash
[{'answer': 'crumple zone', 'provenance': [{'wikipedia_id': '236721', 'title': 'Crumple zone', 'start_paragraph_id': 5, 'start_character': 11, 'end_paragraph_id': 5, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]