Refer to the input text as context and select the correct relationship between 'Interbank' and 'financial services' from the available options.
Options: chairperson, product/material produced, headquarters location, employer

Chief Executive Officer (CEO) of the Ghana Interbank Payment and Settlement Systems (GhIPSS) Archie Hesse has challenged indigenous players in the Information Technology (IT) industry to venture into the financial services sector and develop the needed solutions.
product/material produced