A new law , which goes into effect in January , requires American citizens to carry passports for all Caribbean destinations except Puerto Rico and the United States Virgin Islands .
Caribbean /location/location/contains Puerto Rico
DT JJ NN , WDT VBZ IN NN IN NNP , VBZ JJ NNS TO VB NNS IN DT NNP NNS IN NNP NNP CC DT NNP NNPS NNP NNPS .
Caribbean
LOCATION
Puerto Rico
LOCATION
/location/location/contains