Input (grade 13): It was made at the annual World Water Week 2008, which was held in Stockholm from August 17 to 23 and initiated the Public Private Partnership for Handwashing (PPPHW).
Output (grade 7): The holiday was made at the annual World Water Week 2008, which was held in Stockholm from August 17 to 23. Out of this week came the Public Private Partnership for Handwashing (PPPHW).