364538
and an ARCS from the Imperial College London in 1969 and has a Ph. D in Upper Atmospheric Physics from York University , Toronto , Canada , where he was a National Research Council of Canada Graduate Fellow .
 organization: Imperial College London; organization: York University; location: Toronto
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: Imperial College London, York University, Toronto 
Answer:
 organization: Imperial College London; organization: York University; location: Toronto