8551
Poor air quality brought on by wildfires stretches from Vancouver to Tijuana {{URL}} via {@SFGATE@}
 Vancouver, Tijuana, SFGATE
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 Vancouver, Tijuana, SFGATE