 
 <prompt> Wetin dem dey aim for with the earnings wey dem dey make? Given di last question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: "In mid 2011, di Foundation announce for dia new "Water, Sanitation, Hygiene Strategy Overview" say dem dey focus mostly on sanitation, especially for sub-Saharan Africa and South Asia, because na for those regions e dey hard pass to get better sanitation. Dem don dey focus on sanitation science and technology ("transformative technologies"), delivery models for large scale, urban sanitation markets, building demand for sanitation, measurement and evaluation as well as policy, advocacy and communications since 2011." 