rtokens: " Two sons have come back , " said his mother Nurbika Mamatuyeva . "
pos: NNP NNP , IN PRP$ JJ CD POS , VBN IN JJ CC VBG DT NN NN , VBD VBN IN PRP$ NN CC NN .
tokens: Mouldi Mamatuyev , in his late 20 's , dressed in black and carrying a machine gun , was welcomed by his mother and sister .
ltokens: Two columns of rebels appeared in jeeps and cars , firing their guns in the air , as the crowd rushed towards them .