49731
The Uruguay Round agreements on copyright led to the U.S. Congress re-imposing copyright on some items which had fallen into the public domain ( in section 514 of the URAA Act ) , as of 1996 .
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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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