They have been at odds over the rebellion in Darfur , which Sudan accuses Chad 's government of supporting . ''
Darfur /location/administrative_division/country Sudan
Sudan /location/country/administrative_divisions Darfur
Sudan /location/location/contains Darfur
PRP VBP VBN IN NNS IN DT NN IN NNP , WDT NNP VBZ NNP POS NN IN VBG . ''