Sentence: Ahmet Ertegun, a rhythm and blues performer, is from the U.S. That type of music originates from blues. One ethnic group in the U.S. are African Americans.

What data can be extracted from this sentence?
Ahmet Ertegun, origin, United States; Ahmet Ertegun, genre, Rhythm and blues; Rhythm and blues, stylisticOrigin, Blues; United States, ethnicGroup, African Americans