T-Mobile US CEO John Legere says Verizon Communications' (NYSE:VZ) Go90 mobile video service could be a "debacle," and that cable TV firms such as Comcast (NASDAQ:CMCSA) might need to buy a wireless phone company to stay competitive.
Refer to the input text as context and select the correct relationship between 'Go90' and 'Verizon' from the available options.
Options: director/manager, owned by, manufacturer, business division