Shrimp Cocktail

Ingredients
2/3 c. finely chopped celery
2/3 c. finely chopped green onion tops
2 tbsp. red wine vinegar
2 tbsp. lemon juice
3/4 tsp. horseradish
1/2 tsp. sugar
Heinz catsup (must be Heinz!)
Shrimp
Preparation:
Mix together first 7 ingredients and stir in shrimp. Cut shrimp into pieces, if large.