What is the relationship between 'Mattel' and 'Barbie' in the context of the input sentence.
Options: director/manager, owner of, position held, 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
owner of