151692
Charles Richardson resided in Rock Springs until 2005 , when he moved to Cheyenne but spent winters at another home in Scottsdale , Arizona .
 Richardson, Rock Springs, Cheyenne, Scottsdale, Arizona
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Richardson, Rock Springs, Cheyenne, Scottsdale, Arizona