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debuted on VH1 in 1998 and ran until 2001 ; the show centered around post-1950 s popular music trivia and was hosted by Jeff Probst .
 organization: VH1; person: Jeff Probst
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: VH1, Jeff Probst 
Answer:
 organization: VH1; person: Jeff Probst