rtokens: " These developments ... cause me grave concern , " Clinton said at a campaign stop in Troy , Tennessee .
pos: NNP VBD IN NNP PRP VBD VBN NNP VBZ IN DT NNP TO VB IN JJ JJ CC VBD VBG PRP IN NN TO JJ NNS IN JJ NNS IN JJ NNP .
tokens: Clinton said on Saturday he had ordered U.S. forces in the Gulf to go on high alert and was reinforcing them in response to Iraqi attacks on Kurdish dissidents in northern Iraq .
ltokens: We have taken those prudent planning steps . "