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Sex advice columnist Dan Savage commented on the popularity of the term " straight-acting " in gay personal ads , criticizing both the practice and the idea that a man seeking a gay relationship through a gay personal ad is acting straight .
 Dan Savage
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:
 Dan Savage