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.

Ex Input:
1 cup butter, softened, 34 cup granulated sugar, 34 cup brown sugar, packed, 1 teaspoon baking soda, 1 egg, 1 teaspoon vanilla, 2 12 cups all-purpose flour, 10 -12 ounces white chocolate chips (coarsely chopped) or 10 -12 ounces semisweet chocolate pieces (coarsely chopped)

Ex Output:
butter, sugar, brown sugar, baking soda, egg, vanilla, flour, chocolate chips

Ex Input:
1/2 c. butter, 1 c. sugar, 2 eggs, 1 1/2 c. flour, 2 tsp. baking powder, 1/2 tsp. salt, 1/2 c. milk, 1 tsp. vanilla

Ex Output:
butter, sugar, eggs, flour, baking powder, salt, milk, vanilla

Ex Input:
1 lb ground beef, 12 large onion, chopped, 2 cups water, 3 (19 ounce) cans minestrone soup, 1 (10 ounce) canoriginal rotel, 1 (14 ounce) can pinto beans, drained, 1 (14 ounce) can white corn, drained

Ex Output:
ground beef, onion, water, minestrone soup, pinto beans, white corn