61832
Because of the contemporary boom in railway construction , he specialised in railway engineering and was the first such engineering student to graduate from this university , at the same time as Ernest Rutherford , graduating through the University of New Zealand .
 person: Ernest Rutherford; organization: University of New Zealand
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: Ernest Rutherford, University of New Zealand 
Answer:
 person: Ernest Rutherford; organization: University of New Zealand