The European Commission, the bloc’s top antitrust authority, has filed formal charges against Disney DIS, -0.44% Comcast CMCSA, -2.86% unit NBCUniversal, Paramount Pictures VIA, -0.77% , Sony Pictures SNE, +2.77% Entertainment Inc., Twentieth Century Fox FOXA, -1.76% and Warner Bros. Entertainment TWX, -1.21% and U.K. pay-TV broadcaster Sky UK Ltd., according a Wall Street Journal report on Thursday.
In the context of the input sentence, determine the relationship between 'Comcast' and 'Sky'.
Options: publisher, director/manager, position held, subsidiary