An Iranian opposition group disclosed in 2002 that Iran had built a facility to enrich uranium in the city of Natanz .
Iran /location/location/contains Natanz
DT JJ NN NN VBN IN CD WDT NNP VBD VBN DT NN TO VB NN IN DT NN IN NNP .
Iran
LOCATION
Natanz
LOCATION
/location/location/contains