premise: Firefox is a computer game.
hypothesis: Mozilla Firefox ( or simply Firefox ) is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary the Mozilla Corporation . Firefox is a 1982 American DeLuxe Color techno-thriller film produced , directed by and starring Clint Eastwood in Panavision . Firefox is a single player arcade laserdisc game based on the 1982 Clint Eastwood movie of the same name .