Chopped "Fixin's" Salad

2 cups chopped green leaf lettuce

2 cups chopped seeded tomato (about 2 medium)

1 cup chopped dill pickle, half-sour or full-sour (about 2 pickles)

1/2 cup chopped red onion (1/2 a small onion)

2 tablespoons olive oil

1 tablespoon red wine vinegar

Salt

Freshly ground black pepper