2 cans corn, drained
2 tomatoes, chopped
1 bell pepper, chopped
1 purple onion, chopped
1 cucumber, chopped

SAUCE:

1/2 c. sour cream
4 tbsp. mayonnaise
2 tbsp. wine vinegar
1/2 tsp. celery seed
1/2 tsp. dry mustard
1/2 tsp. black pepper
2 tsp. salt

Mix all ingredients and chill overnight.