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Before World War II seasons were typically no more than twelve games long , so that a very bad team could easily fail to win a game ; however as the competition grew it was expanded to 21 games , which made winless seasons much less likely .
 event: World War II
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: World War II 
Answer:
 event: World War II