171785
In 1889 he joined Purdue University as a Professor of Chemistry , and conducted research in the chemistry of carbohydrates .
 organization: Purdue
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: Purdue 
Answer:
 organization: Purdue