The flashlight and radio both require batteries, having extra would be better than chips or soda. Both of those things have salt and will dehydrate you quickly. Water may not be on hand. A television requires energy and you might not have energy.
In Twelfth Night, Viola embodies the theme of appearance versus reality because she takes on the appearance of Cesario, a young man, in the play. She plays as Cesario to get a job and switches her clothes to look like him.