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And that , I think , we have to be working with these people who are in the business to make sure they don ' t re - enter the business , much as we did with Russian scientists under the Nunn - Lugar program .
 we, we, Russian, I, these people who are in the business, who, they, Russian scientists, Nunn, Lugar
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:
 we, we, Russian, I, these people who are in the business, who, they, Russian scientists, Nunn, Lugar