96952
The land was a failed agricultural community known as " Orchard Heights " , but Clark renamed this hilly area " Norco " , based on its position North of Corona .
 Clark, Norco, Corona
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Clark, Norco, Corona