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A similar concept was later used in the Canadian game show " The Mad Dash " , which aired on CTV from 1978 to 1985 .
 organization: CTV
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: CTV 
Answer:
 organization: CTV