18785
Starrcade ' 91 : Battlebowl/The Lethal Lottery was the ninth annual Starrcade professional wrestling pay-per-view event .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None