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:
4 c. chopped apples, 2 c. sugar, 1/2 c. vegetable oil, 2 eggs, 1 tsp. vanilla, 2 tsp. baking soda, 2 tsp. cinnamon, 1 tsp. salt, 1 c. chopped nuts

Ex Output:
apples, sugar, vegetable oil, eggs, vanilla, baking soda, cinnamon, salt, nuts

Ex Input:
3 large sweet potatoes, sliced, 1/4 c. oil, 1/2 stick butter, 1 c. sugar, 2 Tbsp. water, vanilla (optional)

Ex Output:
sweet potatoes, oil, butter, sugar, water, vanilla

Ex Input:
12 thin slices French bread, about three inches in diameter, 1/4 pound smoked salmon, in thin slices, 1 tablespoon minced fresh chives, 6 ounces fresh goat cheese in a log, 2 tablespoons olive oil

Ex Output:
thin, salmon, fresh chives, goat cheese, olive oil