81006
The incumbent , Neil Hamilton , had been mired in controversy , and was defeated by the veteran BBC journalist Martin Bell .
 person: Neil Hamilton; organization: BBC; person: Martin Bell
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: Neil Hamilton, BBC, Martin Bell 
Answer:
 person: Neil Hamilton; organization: BBC; person: Martin Bell