The sentence is true because there are records of his work. Anyone can listen to the work he composed.
yes
Is the following a factual statement?
"John Philip Sousa worked as an American composer and conductor of the late Romantic era known primarily for American military marches."
Options:
- yes
- no

Japanese yen is traded on the currency exchange.
yes
Claim: "The currency of Japan is the Japanese yen."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no

Eugene O'Neill is popular in American history as a playwright.
yes
Is the following statement true?
"Eugene O'Neill wrote a number of stage plays."