381252
Winthrop Ellsworth Stone ( June 12 , 1862 – July 17 , 1921 ) was a professor of chemistry and served as the president of Purdue University from 1900 – 1921 .
 person: Winthrop; person: Stone; organization: Purdue University
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: Winthrop, Stone, Purdue University 
Answer:
 person: Winthrop; person: Stone; organization: Purdue University