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ChIP-Sequencing ( ChIP-Seq ) is a popular method used to identify TFBS while 3C has been used to identify long-range chromatin interactions ( Dekker et al. , 2002 ) .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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