“There are no forces to be withdrawn from South Kordofan or Nuba, because the forces that are there in South Kordofan and Blue [Nile] are sons and daughters of Nuba and Blue Nile, so we have no right to withdraw them to South Sudan”, said Aguer, the SPLA spokesman.
“We have no forces to be withdrawn because they are not South Sudanese. These are Nubian and Blue people. They come from the North”, he continued. Source
I had a follow up joke involving Russian soldiers in Georgia's South Ossetia.....but it wasn't that funny once I typed it out.