At times , he said , the attacks are so precisely timed that they allow just enough crude oil to flow from Iraq 's northern oil fields to feed the huge Baiji refinery , the nation 's largest , about 100 miles north of Baghdad .
Iraq /location/country/capital Baghdad
Iraq /location/location/contains Baghdad
IN NNS , PRP VBD , DT NNS VBP RB RB VBN IN PRP VBP RB RB JJ NN TO VB IN NNP POS JJ NN NNS TO VB DT JJ NNP NN , DT NN POS JJS , IN CD NNS RB IN NNP .
Iraq
LOCATION
Baghdad
LOCATION
/location/country/capital
Iraq
LOCATION
Baghdad
LOCATION
/location/location/contains