11641
We add tumor necrosis factor alpha to primary human cells , switch on transcription of a 221 - kb gene and monitor promoter position during the ensuing transcription cycle ( using RNA fluorescence in situ hybridization coupled to super - resolution localization , chromosome conformation capture and Monte Carlo simulations ) .
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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: Chemical 
Text: {0} 
 Entities:  
Answer:
 None