248765
Donald William Kerst ( November 1 , 1911 – August 19 , 1993 ) was an American physicist who was working on advanced particle accelerator concepts ( accelerator physics ) and plasma physics .
 person: Donald; person: Kerst; location: American
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: Donald, Kerst, American 
Answer:
 person: Donald; person: Kerst; location: American