Some officials describe the steps as building blocks for what could turn into a broader quarantine if American allies in Asia -- particularly China and South Korea -- can be convinced that Mr. Kim 's declaration on nuclear weapons last week means he must finally be forced to choose between disarmament and even deeper isolation .
Asia /location/location/contains South Korea
Asia /location/location/contains China
DT NNS VBP DT NNS IN NN NNS IN WP MD VB IN DT JJR NN IN JJ NNS IN NNP : RB NNP CC NNP NNP : MD VB VBN IN NNP NNP POS NN IN JJ NNS JJ NN VBZ PRP MD RB VB VBN TO VB IN NN CC RB JJR NN .
Asia
LOCATION
South Korea
LOCATION
/location/location/contains
Asia
LOCATION
China
LOCATION
/location/location/contains