The Maryellen doll and related products will be available August 27, 2015 at americangirl.com ; at all American Girl retail locations nationwide; through American Girl's catalogue; at American Girl specialty boutiques at select Indigo™ and Chapters™ locations in Canada; and at El Palacio de Hierro in Mexico City.
Take context from the input text and decide on the accurate relationship between 'American Girl' and 'doll' from the options provided.
Options: publisher, manufacturer, product/material produced, chief executive officer