But Japan is China 's chief competitor in Asia , as well as America 's staunchest ally in the region .
Asia /location/location/contains Japan
Asia /location/location/contains China
CC NNP VBZ NNP POS JJ NN IN NNP , RB RB IN NNP POS JJS NN IN DT NN .
Asia
LOCATION
Japan
LOCATION
/location/location/contains
Asia
LOCATION
China
LOCATION
/location/location/contains