3443
He built his first piece of architecture while a student ; a house for his parents at Alajärvi .
 location: Alajärvi
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: Alajärvi 
Answer:
 location: Alajärvi