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Founded in 1951 , The Arc is a 501 ( c ) ( 3 ) nonprofit that provides support and advocacy to adults with developmental disabilities in the San Francisco Bay Area .
 Arc, San Francisco Bay Area
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Arc, San Francisco Bay Area