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For example , in complex dynamics , the Mandelbrot set is a subset of the complex plane that may be characterized as the connectedness locus of a family of polynomial maps .
 person: Mandelbrot
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: Mandelbrot 
Answer:
 person: Mandelbrot