rtokens: " There is no trace so far , the enquiry is continuing , " a Liege police official told Reuters .
pos: JJ NNS VBD IN NNP PRP VBD VBN DT NN IN CD JJ NNS VBD VBG IN DT NN NN CD NNS RB .
tokens: Belgian police said on Saturday they had found no trace of two teenage girls reported missing during a shopping trip three days ago .
ltokens: BRUSSELS 1996-08-31