Question: what type of reaction leads to the production of polymers
[{'answer': 'condensation reaction', 'provenance': [{'wikipedia_id': '411683', 'title': 'Polyamide', 'start_paragraph_id': 9, 'start_character': 4, 'end_paragraph_id': 9, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Polymerization chemistry.\n'}]}, {'provenance': [{'wikipedia_id': '411683', 'title': 'Polyamide', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 441, 'bleu_score': 0.9348189981364851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5071012431264929964}, 'section': 'Section::::Polymerization chemistry.\n'}]}]