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In geometry , the " great icosahedron " is one of four Kepler-Poinsot polyhedra ( nonconvex regular polyhedra ) , with Schläfli symbol { 3 , and Coxeter-Dynkin diagram of .
 person: Kepler-Poinsot; person: Schläfli; person: Coxeter-Dynkin
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: Kepler-Poinsot; person: Schläfli; person: Coxeter-Dynkin