Multi-choice problem: Choose from the options at the end, and answer how do you do this: how to make corn-bean salsa

Options are:
a). Toss 2 cups cooked corn kernels, a 15-ounce can black beans (drained and rinsed), 1 diced mango, 1/2 diced red onion, 2 tablespoons each lime juice and olive oil and 1/4 cup chopped cilantro.;
b). Toss 2 cups cooked eggplant kernels, a 15-ounce can black beans (drained and rinsed), 1 diced mango, 1/2 diced red onion, 2 tablespoons each lime juice and olive oil and 1/4 cup chopped cilantro.;
a).