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