278588
Transurban , a company owning several other toll roads in Sydney bought the tunnel in May 2010 for $ 630 million and became the new operator .
 organization: Transurban
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: Transurban 
Answer:
 organization: Transurban