At a place called Arak in the desert southwest of Tehran , behind barbed wire and antiaircraft guns , Iran is building a heavy-water nuclear reactor .
Iran /location/location/contains Arak
Iran /location/location/contains Tehran
Iran /location/country/capital Tehran
IN DT NN VBN NNP IN DT NN NN IN NNP , IN VBN NN CC JJ NNS , NNP VBZ VBG DT NN JJ NN .
Iran
LOCATION
Arak
LOCATION
/location/location/contains
Iran
LOCATION
Tehran
LOCATION
/location/location/contains
Iran
LOCATION
Tehran
LOCATION
/location/country/capital