Question: British Airways flies to destinations on every inhabited continent, together with wholly owned subsidiary BA CityFlyer, franchise carriers Sun Air and Comair operate aircraft in full British Airways livery, BA CityFlyer is a wholly owned subsidiary airline of British Airways with its head office in Didsbury, Manchester, of which country?
Sentence (from "BA CityFlyer"): It operates a network of domestic and European services from its main base at London City Airport.
Relevant evidence: No