2299
Johnson ran the same time at the U.S. Olympic trials in Atlanta in June to become the second equal fastest hurdler of all time with American Roger Kingdom .
 Roger Kingdom, American, U.S., Atlanta, Olympic, Johnson
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:
 Roger Kingdom, American, U.S., Atlanta, Olympic, Johnson