At the 2001 world championships in Lahti , Finland , six Finnish skiers were found to have taken a banned substance used to mask EPO .
Finland /location/location/contains Lahti
IN DT CD NN NNS IN NNP , NNP , CD JJ NNS VBD VBN TO VB VBN DT VBN NN VBN TO NN NN .
Finland
LOCATION
Lahti
LOCATION
/location/location/contains