9156
The 1960 s witnessed demonstrations against the Vietnam War , though fewer than at other college campuses .
 event: Vietnam War
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: Vietnam War 
Answer:
 event: Vietnam War