3781
The Democratic opposition of Serbia , which supports the President , estimates it has won 65 % of the vote .
 Serbia, The Democratic opposition of Serbia , which supports the President, which, it, the President
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:
 Serbia, The Democratic opposition of Serbia , which supports the President, which, it, the President