What would a vegan not eat?

A vegan follows a plant-based diet that excludes all animal products, including meat, dairy, and eggs. Among the options listed, congealed fruit salad typically contains gelatin, which is derived from animal collagen. Since it doesn't fit within a vegan diet due to this animal origin, a vegan would not consume congealed fruit salad.

The other options, such as vegetable stir-fry, whole grain pasta, and tofu curry, are all made from plant-based ingredients and are suitable for a vegan diet. Vegetable stir-fry is simply a dish made with a variety of vegetables, whole grain pasta is made from plant grains, and tofu curry is made from tofu, which is a plant-based protein.