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

Which of the following definitions best describes the instance 'SEDOL Master File'?

A. the instance functional entity, which is an international central securities depository (ICSD) based in Luxembourg, providing post-trade infrastructure and securities services for the international market and 56 domestic markets worldwide
B. repository of security identifiers, issued by the London Stock Exchange, that is the National Securities Identifying Number (NSIN) for securities issued in the United Kingdom, which is also part of the ISIN for the security it identifies
C. distributed international repository of security identifiers, issued by Euroclear or Clearstream (CEDEL), that are used to identify securities in Europe for the purposes of facilitating clearing and settlement of trades
D. CGS (CUSIP Global Services) CUSIP Access services and repository, a proprietary repository of security identifiers, issued by CUSIP Global Services, that is the National Securities Identifying Number (NSIN) for securities issued in North America, which is also part of the ISIN for the security it identifies

Answer: repository of security identifiers, issued by the London Stock Exchange, that is the National Securities Identifying Number (NSIN) for securities issued in the United Kingdom, which is also part of the ISIN for the security it identifies