20267
He faced one of his former government members , at the time Prime Minister Serzh Sargsyan .
 person: Serzh Sargsyan
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: Serzh Sargsyan 
Answer:
 person: Serzh Sargsyan