What is the relationship between water treatment and water in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

So, by leveraging our water filtration technology with our partners' expertise within several projects in the region, we believe that joint venture is ideally positioned to address the need for water treatment solutions for areas in the Middle East where there's local water scarcity.

Answer: product_or_material_produced