26905
In spite of a gradual decrease during the 1980 s , the city 's population began to grow once again with the beginning of the Russian immigration in the 1990 s .
 None
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:  
Answer:
 None