question: What models have been delivered
answer: delivery models at scale , urban sanitation markets , building demand for sanitation , measurement and evaluation as well as policy , advocacy and communications
turker_answer: Delivery models at scale , urban sanitation markets , building demand for sanitation , measurement and evaluation , and policy , advocacy and communication models have been delivered .
rule-based: Delivery models at scale , urban sanitation markets , building demand for sanitation , measurement and evaluation as well as policy , advocacy and communications have been delivered