77410
Wang entered the workforce in March 1971 as a railway engineer with the Harbin Railway Bureau in Heilongjiang province , where he worked until 1981 .
 location: Harbin; location: Heilongjiang
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: Harbin, Heilongjiang 
Answer:
 location: Harbin; location: Heilongjiang