133672
The charges follow , who served as communications chief to David Cameron , being charged in May with perjury at the same trial .
 person: David Cameron
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: David Cameron 
Answer:
 person: David Cameron