rtokens: An uneasy ceasefire has prevailed in Nagorno-Karabakh , which represents around 20 percent of Azeri territory , since May 1994 after ethnic Armenians drove Azeris out of the region .
pos: DT NN , WP VBD IN NN IN NN , VBD NNP JJ NN NNP NNP CC PRP$ JJ NN NNP NNP VBD TO VB DT VBN NN IN NNP CC VBD RB VBN NN .
tokens: The source , who spoke on condition of anonymity , said Azerbaijani presidential adviser Vafa Gulizade and his Armenian counterpart Zhirayr Liparityan met to discuss the disputed enclave on Wednesday and had now flown home .
ltokens: Representatives from Armenia and Azerbaijan held talks earlier this week in Germany on bringing a lasting peace to the disputed Nagorno-Karabakh region , a diplomatic source close to the talks said on Friday .