So after a little less than a month , Holden had to return to Fort Sill in Oklahoma to pick up his duties as a field artillery platoon leader .
Oklahoma /location/location/contains Fort Sill
RB IN DT JJ JJR IN DT NN , NNP VBD TO VB TO NNP NNP IN NNP TO VB RP PRP$ NNS IN DT NN NN NN NN .
Oklahoma
LOCATION
Fort Sill
LOCATION
/location/location/contains