18689
Importantly , for a heat engine , including the Carnot cycle , the free-energy change after a full cycle is zero , , while the engine produces nonzero work .
 person: Carnot
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: Carnot 
Answer:
 person: Carnot