Question:
Choose your answer: Is "Petroleum extraction has supplanted forestry as the mainstay of the economy." a good answer to the question "What is the focus of the Congo's industrial production?"
Answer:
yes

Question:
Choose your answer: Is "The Nationalist and Communist Chinese suspended their civil war to form a nominal alliance against Japan, and the Soviet Union quickly lent support by providing large amount of materiel to Chinese troops." a good answer to the question "Who supplied assistance to the Chinese military?"
Answer:
yes

Question:
Choose your answer: Is "His next work, a polonaise in A-flat major of 1821, dedicated to Zywny, is his earliest surviving musical manuscript." a good answer to the question "Who was Chopin's earliest piece of music, that there is a record of, dedicated to?"
Answer:
no