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The relationship to fractals and dynamical systems results from the fact that many fractal patterns have the symmetries of Fuchsian groups in general ( see , for example Indra 's pearls and the Apollonian gasket ) and the modular group in particular .
 person: Fuchsian; person: Indra; person: Apollonian
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Fuchsian; person: Indra; person: Apollonian