Heather's Cilantro, Black Bean, and Corn Salsa

yellow corn, drained

white corn, drained

black beans, drained and rinsed

Italian-style diced tomatoes, drained

bunch finely chopped cilantro

green onions, finely sliced

small red onion, finely chopped

red bell pepper, seeded and chopped

minced garlic

lime juice

avocado - peeled, pitted, and diced

olive oil, or to taste