Is the following a factual statement?
"Béla Bartók played music as a Hungarian opera composer, pianist, and ethnomusicologist in the 20th century."
Options:
- yes
- no Step-by-step reasoning process:
My sentence is true because there is tangible proof that Béla Bartók was a Hungarian composer, pianist, and ethnomusicologist. He was widely known for his musical talents. Therefore, the final answer is yes.