question: What efforts have the WSH taken
answer: since 2005 undertaken a wide range of efforts in the WASH sector involving research , experimentation , reflection , advocacy , and field implementation
turker_answer: Since 2005 the WSH have undertaken a wide range of efforts in the WASH sector involving research , experimentation , reflection , advocacy , and field implementation .
rule-based: Since 2005 undertaken a wide range of efforts in the WASH sector involving research , experimentation , reflection , advocacy , and field implementation have the WSH taken