Please answer the following question: Information:  - CanJet was a Canadian low-cost charter airline headquartered in Enfield, Nova Scotia and based at Halifax International Airport. It operated charter flights using its own brand, and contract and ad hoc charters for other tour operators and airlines throughout Canada and the United States. CanJet was wholly owned by IMP Group International and had 572 employees as of March 2007.  - CanJet serves the following destinations ( as of December 2012 ) :  - Enfield is an exurban community located north of Halifax Stanfield International Airport in the Shubenacadie Valley on the border of Hants and Halifax counties in Nova Scotia, Canada. Specifically, Enfield exists in both the East Hants Municipal District and the Halifax Regional Municipality and is divided by the Shubenacadie River.    What object entity has the relation of 'is a list of' with the subject 'canjet destinations'?   Choices: - airline  - airport  - brand  - river
Answer:
airport