The situation is frustrating for Sudan 's neighbors in the region , which recently helped negotiate the end to the conflict , Africa 's longest civil war .
Africa /location/location/contains Sudan
DT NN VBZ VBG IN NNP POS NNS IN DT NN , WDT RB VBD VB DT NN TO DT NN , NNP POS JJS JJ NN .
Africa
LOCATION
Sudan
LOCATION
/location/location/contains