He said a cable near Philadelphia that belongs to PECO , the primary supplier of electricity in southeastern Pennsylvania , stopped feeding current to the overhead lines that power the trains .
Pennsylvania /location/location/contains Philadelphia
PRP VBD DT NN IN NNP WDT VBZ TO NNP , DT JJ NN IN NN IN JJ NNP , VBD VBG JJ TO DT NN NNS WDT NN DT NNS .
Pennsylvania
LOCATION
Philadelphia
LOCATION
/location/location/contains