Federer 's father , Robert , a chemical salesman , used to bring his son to a tennis club outside Basel , Switzerland , but his main contribution was as a silent chauffeur .
Switzerland /location/location/contains Basel
NNP POS NN , NNP , DT NN NN , VBN TO VB PRP$ NN TO DT NN NN IN NNP , NNP , CC PRP$ JJ NN VBD IN DT JJ NN .
Switzerland
LOCATION
Basel
LOCATION
/location/location/contains