Task: Class Definition Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following definitions best describes 'debt instrument future'?

A. option giving the buyer (holder) the right, but not the obligation, to buy (via a call option) or sell (via a put option) the underlying fixed income assets specified at a pre-determined price (i.e., the strike price, fixed or calculated), on or before a specified date (the expiration date)
B. futures contract whose underlying asset is at least one swap contract
C. futures contract whose underlying asset is at least one debt instrument
D. futures contract whose underlying asset is at least one option contract

Answer: futures contract whose underlying asset is at least one debt instrument