Utilize the input text as a context reference, choose the right relationship between 'Mattel' and 'Barbie' from the options.
Options: owner of, parent organization, founded by, distributed by

Last year, American Girl — which is owned by toy manufacturer Mattel MAT, -3.02% , which also sells Barbie dolls — discontinued four dolls, two of which were dolls of color, from its historical collection.
owner of