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

Which of the following definitions best describes the instance 'Clearstream Banking'?

A. the instance functional entity, which provides Luxembourg's financial community with issuing and central bank settlement as well as custody services for a wide range of securities including investment funds
B. the instance functional entity, which is a global clearing house, central securities depository, and custodian that specializes in the settlement of securities transactions as well as the safekeeping and asset servicing of these securities
C. 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
D. central counterparty clearing house (CCP), securities depository, and registration authority (RA) functional entity for the instance

Answer: 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