Question: what are primary secondary and tertiary sectors of economy
[{'answer': 'manufacturing ( secondary )', 'provenance': [{'wikipedia_id': '11108915', 'title': 'Three-sector model', 'start_paragraph_id': 1, 'start_character': 125, 'end_paragraph_id': 1, 'end_character': 151, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'services ( tertiary )', 'provenance': [{'wikipedia_id': '11108915', 'title': 'Three-sector model', 'start_paragraph_id': 1, 'start_character': 156, 'end_paragraph_id': 1, 'end_character': 176, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'extraction of raw materials ( primary )'}]