20435
If you looked at his ad he aligned himself with the president because he caught on rather quick uh when he won the uh primary election and he had gone on a radio station and said uh that the worst threat to the United States was not Osama bin Laden but the President that uh people did n't like that .
 the United States, Osama bin Laden
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 United States, Osama bin Laden