Question: ​which metabolic reaction occurs when a cell uses energy
[{'answer': '( anabolic pathway )', 'provenance': [{'wikipedia_id': '20941', 'title': 'Metabolic pathway', 'start_paragraph_id': 3, 'start_character': 144, 'end_paragraph_id': 3, 'end_character': 165, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20941', 'title': 'Metabolic pathway', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 652, 'bleu_score': 0.9810405040225261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12009929338916027482}, 'section': 'Section::::Abstract.'}]}]