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.

3 cups water, 1 large potato, peeled and cut into 1/2-inch cubes, 1/4 cup butter, 1/3 cup all-purpose flour, 1/3 cup water, 2 (8 ounce) cans oysters with liquid, 3 cups whipping cream, 1 cup sliced fresh mushrooms, 3/4 cup powdered milk, 4 teaspoons salt, 4 teaspoons Worcestershire sauce, water, as needed
water, potato, butter, flour, water, oysters, whipping cream, mushrooms, powdered milk, salt, Worcestershire sauce, water