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A mass protest took place in the game days later on July 7 , the anniversary of the beginning of the Second Sino-Japanese War , with up to 80,000 users joining the online protest on one of the servers .
 event: Second Sino-Japanese 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: Second Sino-Japanese War 
Answer:
 event: Second Sino-Japanese War