199845
He was in this position when the formerly-nonprofit DMC was sold to publicly-traded Vanguard Health Systems in 2010 .
 organization: Vanguard Health Systems
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: Vanguard Health Systems 
Answer:
 organization: Vanguard Health Systems