{"problem": "Delayed Response to Water Complaints", "categories": [{"name": "Customer Service", "color": "#8c564b", "causes": [{"text": "Long call wait times"}, {"text": "Poor ticket routing"}]}, {"name": "Field Operations", "color": "#e377c2", "causes": [{"text": "Limited repair crews"}, {"text": "Incomplete work logs"}]}, {"name": "Communication", "color": "#7f7f7f", "causes": [{"text": "No SMS alerts"}, {"text": "Delayed internal escalation"}]}, {"name": "Technology", "color": "#bcbd22", "causes": [{"text": "Outdated ticketing system"}, {"text": "No real-time dashboard"}]}]}