What is the relationship between Mattel and Barbie 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.

After almost a decade of a back-and-forth legal battle between Mattel (NasdaqGS: MAT - news ) and Bratz-owner MGA, the spunky dolls are back and ready to take on an already weak Barbie

Answer: owner_of