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These include graphical systems like the root locus , Bode plots or the Nyquist plots .
 person: Bode; person: Nyquist
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: Bode, Nyquist 
Answer:
 person: Bode; person: Nyquist