Refer to the input text as context and select the correct relationship between 'Carlos Lopes' and 'United Nations' from the available options.
Options: director/manager, employer, creator, owned by

Dr. Dlamini Zuma and Carlos Lopes told the new AfDB President when the three met in New York, USA, on 24 September 2015, in the margins of the 70th Session of the United Nations General Assembly meeting.
employer