rtokens: The uprising began over pay demands but has turned into a campaign to topple Patasse , sparking ethnic violence and dividing the capital .
pos: NNP VBZ IN DT NNP NN TO WDT JJS IN DT JJ NNS VBP .
tokens: Grelombe is from the Yakoma tribe to which most of the rebel soldiers belong .
ltokens: Witnesses said they had been seized by troops loyal to President Ange-Felix Patasse at dawn on Thursday when they clashed with soldiers staging a mutiny since November 16 .