You will be given a definition of a task first, then some input of the task.
In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.

In a 2-quart container, combine water, potato, onion, carrot, salt, celery salt, pepper, chives and Worcestershire sauce. Cover; microwave on High for 7 to 15 minutes, or until vegetables are just about tender., Add corn; cover and return to microwave. Heat for 5 to 8 minutes on High, or until corn is tender., Stir in tuna and cream., Cover; microwave for 2 to 4 minutes, until heated through.
Output:
water, potato, onion, carrot, salt, celery salt, pepper, chives, Worcestershire sauce, corn, tuna