In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".

[EX Q]: what caused ww, Answer: The causes of World War I , which began in central Europe in late July 1914 and finished in 1918, included many factors, such as the conflicts and hostility of the four decades leading up to the war.
[EX A]: Yes

[EX Q]: how many people have mariah carey dated?, Answer: Following the film's poor reception, she was bought out of her recording contract for $50 million, which led to a decline in her career.
[EX A]: No

[EX Q]: How Do You Get Hepatitis C, Answer: HCV is spread primarily by blood-to-blood contact associated with intravenous drug use , poorly sterilized medical equipment and transfusions .
[EX A]:
Yes