30197
Research in the mid-2010 s suggested that about 45 percent of country 's best-selling songs could be considered bro-country , with the top two artists being Luke Bryan and Florida Georgia Line .
 Luke Bryan, Florida Georgia Line
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Luke Bryan, Florida Georgia Line