Question: the calculation of the poverty line is based on
[{'answer': 'ICP purchasing power parity', 'provenance': [{'wikipedia_id': '170584', 'title': 'Poverty threshold', 'start_paragraph_id': 11, 'start_character': 241, 'end_paragraph_id': 11, 'end_character': 268, 'bleu_score': 1.0, 'section': 'Section::::Absolute poverty and the International Poverty Line.\n'}]}]