Question: Kansai International Airport, is an international airport located on an artificial island in the middle of Osaka Bay, 38 km southwest of Ōsaka Station, the airport serves as an international hub for Nippon Cargo Airlines Company, Limited, or NCA, a cargo airline with its head office on the property of Narita International Airport in Narita, Chiba Prefecture, outside Tokyo, its main base is where?
Sentence (from "Nippon Cargo Airlines"): Its main base is Narita Airport.
Relevant evidence: Yes