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Cole took sabbatical in 1963-1964 at Harvard , where he wrote a seminal book on this body of work : Perturbation Methods in Applied Mathematics .
 person: Cole; organization: Harvard; organization: Applied Mathematics
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: Cole, Harvard, Applied Mathematics 
Answer:
 person: Cole; organization: Harvard; organization: Applied Mathematics