Mr. Wilson 's critique was based on a trip he had taken to Africa in 2002 to examine whether Iraq had sought nuclear material from Niger .
Africa /location/location/contains Niger
NNP NNP POS NN VBD VBN IN DT NN PRP VBD VBN TO NNP IN CD TO VB IN NNP VBD VBN JJ NN IN NNP .
Africa
LOCATION
Niger
LOCATION
/location/location/contains