116946
These killings occurred eleven days after the National Guard killed four students in an anti-war protest at Kent State University in Ohio , and were part of national social unrest .
 organization: National Guard; organization: Kent State University; location: Ohio
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: National Guard, Kent State University, Ohio 
Answer:
 organization: National Guard; organization: Kent State University; location: Ohio