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Celebrities Alex Trebek , Merv Griffin , Johnny Gilbert , Jeane Dixon , Burt Reynolds , Marvin Mitchelson , Edwin Newman , Bob Hope , Sonny Bono , Lyle Waggoner , and Julio Iglesias all guest starred as themselves on various episodes .
 person: Alex Trebek; person: Merv Griffin; person: Johnny Gilbert; person: Jeane Dixon; person: Burt Reynolds; person: Marvin Mitchelson; person: Edwin Newman; person: Bob Hope; person: Sonny Bono; person: Lyle Waggoner; person: Julio Iglesias
Please list all entity words in the text that fit the category.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} 
Answer:
 person: Alex Trebek; person: Merv Griffin; person: Johnny Gilbert; person: Jeane Dixon; person: Burt Reynolds; person: Marvin Mitchelson; person: Edwin Newman; person: Bob Hope; person: Sonny Bono; person: Lyle Waggoner; person: Julio Iglesias