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Scholars , such as Jorge Castañeda , argues that the presence of national and international observers and a special prosecutor , along with the counting of votes by hand before party representatives and the series of electoral reforms from the 1980 s and 1990 s made it " virtually impossible " for there to be electoral wrongdoing .
 Jorge Castañeda
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Jorge Castañeda