21631
Recognizing the potential for `` severe humanitarian suffering , '' the Iraq Study Group in December recommended that `` the United States take the lead '' in funding the UNHCR 's Iraq program ;
 the Iraq Study Group, December, the United States, UNHCR, Iraq
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 the Iraq Study Group, December, the United States, UNHCR, Iraq