Calling Iran 's activities at its uranium enrichment plant at Natanz `` the sticking point , '' he added , `` That issue is still being discussed this week , and I still hope that in the next week or so that agreement could still be reached . ''
Iran /location/location/contains Natanz
VBG NNP POS NNS IN PRP$ NN NN NN IN NNP `` DT NN NN , '' PRP VBD , `` DT NN VBZ RB VBG VBN DT NN , CC PRP RB VBP IN IN DT JJ NN CC RB IN NN MD RB VB VBN . ''