Complex sentence: Baker, who wears a size 22, changed the store's logo from A&F to "Attractive and Fat" in a mock ad to challenge current marketing strategies of the clothing store.
Split into simpler sentences: Baker, who wears a size 22, changed the store's logo from A&F to "Attractive and Fat" in a mock ad. The purpose of the redesign ad was to challenge current marketing strategies of the clothing store.