5861
He said " we must be careful when we talk about predictions ; the only thing I can predict with confidence is that I will not be taking part in the next Apec summit next year and at present , I can ' t say who will be representing the United States . "
 the United States, Apec, He, we, we, I, I, I, who
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 the United States, Apec, He, we, we, I, I, I, who