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Furthermore , VGEs can help researchers to reproduce the past , replicate the current world , and predict the future ( Batty 1997 ; Lin and Gong 2001 ; Lin , Huang , and Lu 2009 ) .
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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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