Question: What is the question to: "Peripheral , an optional computer hardware component that significantly supplements or enhances the functionality of the original unit"? The topic is Add-on.
Answer: "what are add ons?"

Question: What is the question to: "Common hydraulic fluids are based on mineral oil or water."? The topic is Hydraulic fluid.
Answer: "What is and where is hydraulic fluid found and used for?"

Question: What is the question to: "Loan origination is the process by which a borrower applies for a new loan , and a lender processes that application."? The topic is Loan origination.
Answer:
"what are loan originations?"