Sentence: Angola, Indiana is part of Pleasant Township, in Steuben County, in the United States. The country where the inhabitants are known as Americans, and where African Americans are one of the ethnic groups.

What data can be extracted from this sentence?
United States, ethnicGroup, African Americans; United States, demonym, Americans; Angola, Indiana, isPartOf, Pleasant Township, Steuben County, Indiana; Angola, Indiana, country, United States