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For example , balance equations of this kind are the momentum and energy Navier-Stokes equations , or the entropy balance for a general isolated system .
 person: Navier-Stokes
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: Navier-Stokes 
Answer:
 person: Navier-Stokes