74417
The science building at his alma mater , Grinnell College , is named after him .
 organization: Grinnell College
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: Grinnell College 
Answer:
 organization: Grinnell College