206902
Also in this decade , pornography became accessible to interested affluent adult men and women who are in a mature relationship that can be viewed through eight-millimeter portable film projector s , before the introduction of the more affordable videocassettes .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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