Question: What is the question to: "China has been the source of many inventions , including the Four Great Inventions : papermaking , the compass , gunpowder , and printing (both woodblock and movable type )."? The topic is List of Chinese inventions.
Answer: "what are some chinese inventions?"

Question: What is the question to: "Section 8 of the Housing Act of 1937 (), often simply known as Section 8, as repeatedly amended, authorizes the payment of rental housing assistance to private landlords on behalf of approximately 3.1 million low-income households."? The topic is Section 8 (housing).
Answer: "what is section eight housing?"

Question: What is the question to: "Rogue waves seem not to have a single distinct cause, but occur where physical factors such as high winds and strong currents cause waves to merge to create a single exceptionally large wave."? The topic is Rogue wave.
Answer:
"What causes rogue waves?"