Given the task definition and input, reply with output. 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.

2 tablespoons olive oil, 7 carrots, unpeeled, cut into chunks, 3 onions, unpeeled, quartered, 8 stalks celery, cut into chunks, 12 lb white mushroom, quartered, 1 large baking potato, unpeeled, cut into chunks, 4 12 quarts water, 2 cups white wine, preferably chardonnay, 4 sprigs parsley, 2 sprigs thyme, 14 teaspoon peppercorn, crushed, 1 teaspoon salt, 1 bay leaf
olive oil, carrots, onions, stalks celery, white mushroom, baking potato, water, white wine, parsley, thyme, peppercorn, salt, bay leaf