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.
In the context of the input sentence, determine the relationship between 'Go90' and 'Verizon'.
Options: manufacturer, owned by, director/manager, business division