59183
While the antiprotons are being cooled in the first trap , a small cloud of positrons is captured from radioactive sodium in a Surko-style positron accumulator .
 location: Surko-style
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: Surko-style 
Answer:
 location: Surko-style