4617
R.E.X. wanted Klayton to make a second Circle of Dust album , but there was n't enough money to make another album .
 R.E.X., Klayton
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 R.E.X., Klayton