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He made multiple appearances as the mystery guest on the long-running game show " What 's My Line ? " .
 media: What 's My Line ?
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: What 's My Line ? 
Answer:
 media: What 's My Line ?