<human>:  What are the different types of vegan diets?
<bot>: The most common types of vegan diets include whole-food vegan diet, raw-food vegan diet, and junk-food vegan diet. Whole-food vegan diet focuses on whole plant-based foods, such as grains, vegetables, fruits, legumes, nuts, and seeds. Raw-food vegan diet consists of uncooked, unprocessed vegan foods, such as fruits, vegetables, nuts, and seeds. Junk-food vegan diet consists of vegan alternatives to animal-based products, such as burgers, pizzas, and processed snacks.