357565
The name of this article was titled , " On a conjecture concerning the Petersen graph " and was published January 19 , 2011 ; The counter-example first starts with a frame graph G that is isomorphic to the Petersen graph minus two edges .
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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:  
Answer:
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