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In 2000 , Peirano published the first editions of the popular and enduring comic strip “ Chancho Cero ” ( Zero Pig ) , which appeared in the children ’s magazine of the prestigious Chilean national newspaper El Mercurio .
 Peirano, El Mercurio
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Peirano, El Mercurio