Its source of life , then and now , was the surging Helmand River , a finger of green that emerges from the mountains of central Afghanistan and snakes for hundreds of miles through the country 's vast southern desert .
Afghanistan /location/location/contains Helmand River
PRP$ NN IN NN , RB CC RB , VBD DT VBG NNP NNP , DT NN IN JJ IN VBZ IN DT NNS IN JJ NNP CC NNS IN NNS IN NNS IN DT NN POS JJ JJ NN .
Afghanistan
LOCATION
Helmand River
LOCATION
/location/location/contains