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
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Antarctica; location: Antarctica