Question:
Choose your answer: Is "Though it had de facto existed for centuries, its first mention in official state documents did not occur until the first decade of the twentieth century." a good answer to the question "When was prime minister first mentioned in a government document in the UK?"
Answer:
yes

Question:
Choose your answer: Is "Apple did not develop the iPod software entirely in-house, instead using PortalPlayer's reference platform based on two ARM cores." a good answer to the question "Which company worked with Apple in creating the user interface for the iPod?"
Answer:
no

Question:
Choose your answer: Is "At the same time Estonia imports machinery and equipment, chemical products, textiles, food products and transportation equipment." a good answer to the question "What area of commerce did Estonia need to expand?"
Answer:
no