You will be given a definition of a task first, then some input of the task.
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 large ripe tomatoes, skinned and seeded, 1 small onion, roughly chopped, 2 canned chipotle chiles en adobo or 2 dried chipotle chiles, soaked, 2 garlic cloves, 3 tbsp vegetable oil, 2 boneless and skinless chicken breasts, cut into bite-sized pieces, 3 3/4 cups chicken stock, 8 oz (225g) Mexican fideos or angel hair pasta, 1/4 cup sour cream, 1 avocado, peeled, pitted, and cubed
Output:
tomatoes, onion, chiles, garlic, vegetable oil, chicken breasts, chicken stock, fideos, sour cream, avocado