117488
Background and production Caillat worked with various producers , songwriters , and artists including Greg Wells , Rick Nowels , John Shanks , and Kara DioGuardi .
 Caillat, Greg Wells, Rick Nowels, John Shanks, Kara DioGuardi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Caillat, Greg Wells, Rick Nowels, John Shanks, Kara DioGuardi