To end the international standoff over Iran 's nuclear program , the United States has offered to enter talks if Tehran agrees to halt uranium enrichment activities .
Iran /location/country/capital Tehran
Iran /location/location/contains Tehran
TO VB DT JJ NN IN NNP POS JJ NN , DT NNP NNPS VBZ VBN TO VB NNS IN NNP VBZ TO VB NN NN NNS .
Iran
LOCATION
Tehran
LOCATION
/location/country/capital
Iran
LOCATION
Tehran
LOCATION
/location/location/contains