Problem: Does "Argentina: The torch relay leg in Buenos Aires, Argentina, held on April 11, began with an artistic show at the Lola Mora amphitheatre in Costanera Sur." answer the question "What place held an opening show for the relay?"

A: yes

Problem: Does "Cixi declared war on all of these nations, only to lose control of Beijing after a short, but hard-fought campaign." answer the question "What was another name for the Boxers?"

A: no

Problem: Does "Twenty-one countries of the United Nations eventually contributed to the defense of South Korea, with the United States providing 88% of the UN's military personnel." answer the question "How many countries assisted in the defense of South Korea?"

A:
yes