Task: Instance Description Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following definitions best describes the instance 'Refinitiv instrument code scheme'?

A. security identification scheme that extends the CUSIP scheme, used to identify securities outside of the United States and Canada for the purposes of facilitating clearing and settlement of trades
B. national security identification scheme used to identify all North American stocks and registered bonds for the purposes of facilitating clearing and settlement of trades
C. nine-digit security identification scheme, defined originally by Euroclear and CEDEL (now Clearstream) that is used to identify securities in Europe for the purposes of facilitating clearing and settlement of trades
D. proprietary identification scheme for securities identifiers managed by the London Stock Exchange Group's LSEG Financial Solutions

Answer: proprietary identification scheme for securities identifiers managed by the London Stock Exchange Group's LSEG Financial Solutions