Salad with Apple Dressing

1 pound spinach and mixed salad greens, washed and torn into bite-size pieces

1/4 pound watercress, washed and torn into bite-size pieces

1 large red onion, sliced thinly

1/2 cup radishes, sliced

1/2 cup bean sprouts

1 avocado, seeded and cut into 1-inch cubes

Apple Dressing:

1/2 cup apple juice

1/4 cup vinegar (rice wine or cider)

2 cloves garlic, minced

1 tablespoon soy sauce

1 teaspoon Worcestershire sauce

1 to 2 teaspoons olive oil