52868
Greater political and social freedoms , instituted by the last Soviet leader and General Secretary , Mikhail Gorbachev , created an atmosphere of open criticism of the communist regime .
 person: Mikhail Gorbachev
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: Mikhail Gorbachev 
Answer:
 person: Mikhail Gorbachev