541
Is it possible that the equipment allowed Iraq to produce oil for the Oil for Food program authorized by the U . N . ? " They were legal because Mr . Cheney ' s company used a loophole .
 Iraq, the U . N, Mr . Cheney ' s company, Mr, Mr . Cheney
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:
 Iraq, the U . N, Mr . Cheney ' s company, Mr, Mr . Cheney