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He disclosed that engineers at the St. Petersburg branch of the Atomenergoproekt institute were completing work on the design of a new NP-500 reactor .
 Atomenergoproekt institute, St. Petersburg
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Atomenergoproekt institute, St. Petersburg