The man , Steven M. Rubinstein , 49 , taught at various New York City high schools in the last 20 years before becoming the assistant principal of math at Murry Bergtraum High School in Lower Manhattan about a year ago .
New York City /location/location/contains Lower Manhattan
Lower Manhattan /location/neighborhood/neighborhood_of New York City
DT NN , NNP NNP NNP , CD , VBD IN JJ NNP NNP NNP JJ NNS IN DT JJ CD NNS IN VBG DT NN NN IN NN IN NNP NNP NNP NNP IN NNP NNP IN DT NN RB .
New York City
LOCATION
Lower Manhattan
LOCATION
/location/location/contains
Lower Manhattan
LOCATION
New York City
LOCATION
/location/neighborhood/neighborhood_of