97857
It was followed by the Battle of the Twin Tunnels ( February 1 – 2 , 1951 ) and of Chipyong-ni ( February 3 – 16 , 1951 ) .
 event: Battle of the Twin Tunnels; event: Chipyong-ni
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: Battle of the Twin Tunnels, Chipyong-ni 
Answer:
 event: Battle of the Twin Tunnels; event: Chipyong-ni