202916
In Grenoble , the desire for openness and expansion of the city led to its mayor at the time , Paul Mistral , to successfully organize the ( International exposition of white coal ) in 1925 , and subsequently to acquire land for the city 's future airport .
 location: Grenoble
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: Grenoble 
Answer:
 location: Grenoble