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The Pacific Surfliner '' to Santa Barbara , San Luis Obispo , and San Diego .
 Pacific Surfliner, Santa Barbara, San Luis Obispo, San Diego
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pacific Surfliner, Santa Barbara, San Luis Obispo, San Diego