Utilize the input text as a context reference, choose the right relationship between Go90 and Verizon from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.
Text: 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.
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