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Porto , who are fighting to take their third consecutive title this season , were 2-0 down until the 86th minute when a header by Mario Jardel found the net after a string of missed opportunities , including a penalty taken by top league scorer Domingos Oliveira in the 60th minute .
 Porto, Mario Jardel, Domingos Oliveira
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Porto, Mario Jardel, Domingos Oliveira