There is no one definitive answer to this question – as the answer may vary depending on the particular Xbox that is being contested, as well as the individual circumstances involved. However, generally speaking, it is unlikely that an individual could realistically win an Xbox from Taco Bell – as the odds of winning such a device are generally quite low.
Nonetheless, it is possible to win an Xbox from Taco Bell – provided that the individual is able to successfully contest the device and prove that it is their rightful ownership. In most cases, this will likely involve providing evidence that the Xbox was purchased from Taco Bell – as well as demonstrating that the device was not damaged or stolen in any way.