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According to a 2003 survey conducted in the United States by The Barna Group , those who described themselves as believers were less likely than those describing themselves as atheists or agnostics to consider the following behaviors morally acceptable : cohabitating with someone of the opposite sex outside marriage , enjoying sexual fantasies , having an abortion , sexual relationships outside marriage , gambling , consuming marijuana , looking at pictures of nudity or explicit sexual behavior , getting drunk and " having a sexual relationship with someone of the same sex " .
 United States, The Barna Group
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States, The Barna Group