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It was first broadcast on 24 December 1990 , Christmas Eve , on Channel 4 .
 time: Christmas Eve; organization: Channel 4
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: Christmas Eve, Channel 4 
Answer:
 time: Christmas Eve; organization: Channel 4