718
David Wheaton ( U.S. ) vs. Kevin Kim ( U.S. )
 David Wheaton, Kevin Kim, U.S., U.S.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 David Wheaton, Kevin Kim, U.S., U.S.