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` ` At the moment , the coalition has assumed the responsibilities for disarming Iraq , ' ' U . S . Ambassador John Negroponte , said Tuesday when asked whether U . S . teams would work with U . N . inspectors .
 the coalition, Iraq, U . S, U . S, U . N, U . S . Ambassador, U . S . Ambassador John Negroponte, U . S . teams, U . N . inspectors
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:
 the coalition, Iraq, U . S, U . S, U . N, U . S . Ambassador, U . S . Ambassador John Negroponte, U . S . teams, U . N . inspectors