The trial of a security official accused of human rights abuses during the military dictatorship of the 1970 's , the first such legal proceeding since the Supreme Court overturned a pair of amnesty laws last year , has begun in La Plata , the capital of Buenos Aires Province .
Buenos Aires Province /location/location/contains La Plata
DT NN IN DT NN JJ VBN IN JJ NNS NNS IN DT JJ NN IN DT CD POS , DT JJ JJ JJ NN IN DT NNP NNP VBD DT NN IN NN NNS JJ NN , VBZ VBN IN NNP NNP , DT NN IN NNP NNP NNP .
Buenos Aires Province
LOCATION
La Plata
LOCATION
/location/location/contains