Question: where does reduction take place in an electrochemical cell
[{'answer': 'half - cell', 'provenance': [{'wikipedia_id': '10339', 'title': 'Electrochemical cell', 'start_paragraph_id': 26, 'start_character': 98, 'end_paragraph_id': 26, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Half-cells.:Cell potential.\n'}]}, {'provenance': [{'wikipedia_id': '10339', 'title': 'Electrochemical cell', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 559, 'bleu_score': 0.977897140678983, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10330511063818459582}, 'section': 'Section::::Half-cells.\n'}]}]