We can confirm that we received the letter , '' said Alexander Klauser , a spokesman for Roche , based in Basel , Switzerland . ''
Switzerland /location/location/contains Basel
PRP MD VB IN PRP VBD DT NN , '' VBD NNP NNP , DT NN IN NNP , VBN IN NNP , NNP . ''
Switzerland
LOCATION
Basel
LOCATION
/location/location/contains