In 1989 , he helped pull two small children out of the wreckage of United Airlines Flight 232 , which was en route from Denver to Chicago when it crashed trying to make an emergency landing at the airport in Sioux City , Iowa .
Iowa /location/location/contains Sioux City
IN CD , PRP VBD VB CD JJ NNS IN IN DT NN IN NNP NNPS NNP CD , WDT VBD IN NN IN NNP TO NNP WRB PRP VBD VBG TO VB DT NN NN IN DT NN IN NNP NNP , NNP .
Iowa
LOCATION
Sioux City
LOCATION
/location/location/contains