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Stephen Jay Gould , for example , believed that religion was an exaptation or a spandrel , in other words that religion evolved as byproduct of psychological mechanisms that evolved for other reasons .
 Stephen Jay Gould
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:
 Stephen Jay Gould