Drain the liquid from the corn and add the diced pepper. Chop the spinach.
Pass the garlic through the press, cut the radish into slices, or cubes. Sprinkle with a mixture of ground pepper.
Prepare the salad dressing: mix soy sauce, oil, balsamic vinegar and tomato sauce. Stir and season the salad. You need to use tomato sauce, not ketchup or tomato paste.