4884
On July 19 , 2010 , Prior resigned from his position at ManTech to join BAE Systems Inc. as executive vice president , Service Sectors .
 person: Prior; organization: ManTech; organization: BAE Systems Inc.; organization: Service
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Prior, ManTech, BAE Systems Inc., Service 
Answer:
 person: Prior; organization: ManTech; organization: BAE Systems Inc.; organization: Service