8445
One of the major concerns both today and back in the 1920 s was the expanding population , and this increased the demand for water , particularly in California .
 location: California
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: California 
Answer:
 location: California