question: What is the purpose of the new overview
answer: funding now focuses primarily on sanitation , particularly in sub-Saharan Africa and South Asia , because access to improved sanitation is lowest in those regions
turker_answer: The purpose of the new overview is to show how funding now focuses primarily on sanitation , particularly in sub-Saharan Africa and South Asia , because access to improved sanitation is lowest in those regions .
rule-based: The purpose of the new overview is funding now focuses primarily on sanitation , particularly in sub-Saharan Africa and South Asia , because access to improved sanitation is lowest in those regions