pos: NNP VBZ VBG NNS IN VBG JJ NN CC VBZ NN IN VBG NN .
tokens: Poland is seeking pacts on avoiding double taxation and wants cooperation in fighting crime .
ltokens: Poland revived diplomatic ties at ambassadorial level with Yugoslavia in April but economic links are almost moribund , despite the end of a three-year U.N. trade embargo imposed to punish Belgrade for its support of Bosnian Serbs .