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In October 2013 he appeared in Channel 4 sitcom " Man Down " , playing the father of the protagonist , Greg Davies - despite being only ten years older .
 organization: Channel 4; media: Man Down; person: Greg Davies
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:
 organization: Channel 4; media: Man Down; person: Greg Davies