Black Bean Salad/Salsa

2 cups black beans - drained and rinsed
2 cups corn
1 red onion
1 jicama - 1 cup
1 quart cherry tomatoes cut in half
cilantro

Dressing
1/4 cup lemon juice or lime juice
1/4 cup red wine vinegar
1/2 cup cilantro
1 tsp. cumin
1/2 cup canola oil
salt, pepper, and garlic - to taste

(I don't put the jicama in)