Complex sentence: The Akimel O'Odham (anthropologically known as the Pima) are a subgroup of the O'odham which also includes the Tohono O'Odham, and the Hia C-ed O'odham.
Split into simpler sentences: The Akimel O'Odham (anthropologically known as the Pima) are a subgroup of the O'odham. O'odham includes the Tohono O'Odham, and the Hia C-ed O'odham.