3683
The current is circumpolar due to the lack of any landmass connecting with Antarctica and this keeps warm ocean waters away from Antarctica , enabling that continent to maintain its huge ice sheet .
 location: Antarctica; location: Antarctica
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Antarctica, Antarctica 
Answer:
 location: Antarctica; location: Antarctica