With the bold warning that Russia has other export options , Mr. Putin waded into a debate in Europe over the plans of Gazprom , the natural gas monopoly , which is trying to enter the retail gas market .
Europe /location/location/contains Russia
IN DT JJ NN WDT NNP VBZ JJ NN NNS , NNP NNP VBD IN DT NN IN NNP IN DT NNS IN NNP , DT JJ NN NN , WDT VBZ VBG TO VB DT JJ NN NN .
Europe
LOCATION
Russia
LOCATION
/location/location/contains