He did not know who the patient would be when a trainee of his , practicing in Iran , asked him to come to Tehran urgently in 1974 .
Iran /location/country/capital Tehran
Iran /location/location/contains Tehran
PRP VBD RB VB WP DT NN MD VB WRB DT NN IN PRP$ , VBG IN NNP , VBD PRP TO VB TO NNP RB IN CD .
Iran
LOCATION
Tehran
LOCATION
/location/country/capital
Iran
LOCATION
Tehran
LOCATION
/location/location/contains