4503
In 1991 , he was appointed Minister for Science Policy , leaving government in 1995 to serve as mayor of Liège .
 location: Liège
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: Liège 
Answer:
 location: Liège