Question: what did audrey hepburn do for a living
[{'answer': 'actress', 'provenance': [{'wikipedia_id': '52139', 'title': 'Audrey Hepburn', 'start_paragraph_id': 1, 'start_character': 86, 'end_paragraph_id': 1, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'model', 'provenance': [{'wikipedia_id': '52139', 'title': 'Audrey Hepburn', 'start_paragraph_id': 20, 'start_character': 489, 'end_paragraph_id': 20, 'end_character': 494, 'bleu_score': 1.0, 'section': 'Section::::Entertainment career.:Ballet studies and early acting roles (1945–1952).\n'}]}, {'answer': 'dancer'}]