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And one group of sailors is getting letters from elementary school children in North Carolina .
 North Carolina, elementary school, one group of sailors, sailors, elementary school children in North Carolina
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 North Carolina, elementary school, one group of sailors, sailors, elementary school children in North Carolina