725
With reference to the Gibbs free energy , we need to add the qualification that it is the energy free for non-volume work .
 person: Gibbs
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: Gibbs 
Answer:
 person: Gibbs