Awesome Bean Salad

Name: Awesome Bean Salad
Cuisine: American, Mexican, Latin American
Ingredients: > 1 (15 ounce) can black beans, rinsed and drained; > 1 (15 ounce) can kidney beans, drained; > 1 (15 ounce) can cannellini beans, drained and rinsed; > 1 green bell pepper, chopped; > 1 red bell pepper, chopped; > 1 (10 ounce) package frozen corn kernels; > 1 red onion, chopped; > 1/2 cup olive oil; > 1/2 cup red wine vinegar; > 2 tablespoons fresh lime juice; > 1 tablespoon lemon juice; > 2 tablespoons white sugar; > 1 tablespoon salt; > 1 clove crushed garlic; > 1/4 cup chopped fresh cilantro; > 1/2 tablespoon ground cumin; > 1/2 tablespoon ground black pepper; > 1 dash hot pepper sauce; > 1/2 teaspoon chili powder; 1 avocado