There were no American contenders in the recent world chess championship tournament in San Luis , Argentina , which was limited to the world 's top eight players .
Argentina /location/location/contains San Luis
EX VBD DT JJ NNS IN DT JJ NN NN NN NN IN NNP NNP , NNP , WDT VBD VBN TO DT NN POS JJ CD NNS .
Argentina
LOCATION
San Luis
LOCATION
/location/location/contains