266354
In 2004 , he received the best paper award in ACM Symposium on Theory of Computing ( STOC ) for , and the best paper award in IEEE Conference on Computational Complexity ( CCC ) for .
 None
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:
 None