In 1977 , at 73 , she joined the Peace Corps and worked in Liberia , in a hospital 600 miles from Monrovia .
Liberia /location/location/contains Monrovia
Liberia /location/country/capital Monrovia
IN CD , IN CD , PRP VBD DT NNP NNP CC VBD IN NNP , IN DT NN CD NNS IN NNP .
Liberia
LOCATION
Monrovia
LOCATION
/location/location/contains
Liberia
LOCATION
Monrovia
LOCATION
/location/country/capital