Why does the student writer MOST LIKELY mention hot dogs in paragraph 3?

In elementary school, our teachers taught us about the food pyramid and healthy food choices. We know that most students choose the foods they eat out of convenience. However, if they took a cooking class in school, they could learn how to eat healthy, even when buying something on the go. Don’t get me wrong, I am definitely a fan of hot dogs, with extra mustard, of course—but I know I can do better! So, if more students knew how to prepare nutritious meals, they would be more likely to make healthier choices.

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B. To provide an example of a less healthy food choice that could be improved upon