13704
And , particularly , I have in mind the Iraqi National Congress that Mr . Chalabi , who was assisted by U . S . forces in getting back into Iraq ?
 U . S, Iraq, the Iraqi National Congress, I, Mr, Mr . Chalabi , who was assisted by U . S . forces in getting back into Iraq, who, U . S . forces
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:
 U . S, Iraq, the Iraqi National Congress, I, Mr, Mr . Chalabi , who was assisted by U . S . forces in getting back into Iraq, who, U . S . forces