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During the talks in Beijing , U . S . officials said North Korea claimed it already possesses nuclear weapons , and that it had reprocessed 8 , 000 spent nuclear fuel rods _ a move that could yield several atomic bombs within months .
 Beijing, U . S, North Korea, it, it, U . S . officials, nuclear, nuclear weapons, nuclear, several atomic bombs
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:
 Beijing, U . S, North Korea, it, it, U . S . officials, nuclear, nuclear weapons, nuclear, several atomic bombs