229614
After several rounds of ligation-based sequence determination using the type IIs restriction endonuclease BbvI , a sequence signature of ~ 16-20 bp is identified from each bead ; routinely , 17 bp of high quality sequence is obtained .
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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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