10605
The Petersen graph is the derived graph for a ℤ-voltage graph in the shape of a dumbbell with two vertices and three edges : one edge connecting the two vertices , and one self-loop on each vertex .
 person: Petersen
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: Petersen