On Earth , the Arctic polar vortex is located over eastern North America in Canada and carries cold air to the northern Plains .
North America /location/location/contains Canada
Earth /location/location/contains North America
IN NNP , DT NNP JJ NN VBZ JJ IN JJ NNP NNP IN NNP CC VBZ JJ NN TO DT JJ NNS .
North America
LOCATION
Canada
LOCATION
/location/location/contains
Earth
LOCATION
North America
LOCATION
/location/location/contains