In this task, you have to generate the named entities (NER) given its ingredients of the recipe. Named entities are the names of the items without their quantity.

1 head lettuce, 1/4 c. celery, cut small, 1/4 c. onion, chopped fine, 1/4 c. green pepper (optional), 6 oz. water chestnuts, 1 (10 oz.) pkg. frozen peas (not thawed), 2 c. mayonnaise, 3 tsp. sugar, Parmesan cheese, 3/4 lb. bacon, fried, 4 tomatoes, wedged, 2 to 3 hard-cooked eggs, sliced
head lettuce, celery, onion, green pepper, water chestnuts, frozen peas, mayonnaise, sugar, Parmesan cheese, bacon, tomatoes, eggs