The tower once served as a medieval prison , and gold from the Spanish colonies was stored there when Seville was Spain 's trading hub with the New World .
Spain /location/location/contains Seville
DT NN RB VBD IN DT JJ NN , CC NN IN DT JJ NNS VBD VBN RB WRB NNP VBD NNP POS NN NN IN DT NNP NNP .
Spain
LOCATION
Seville
LOCATION
/location/location/contains