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 saucepan, heat oil and cook onion until tender., Stir in garlic and cook for 30 seconds., Stir in vinegar, ketchup, brown sugar and juice of lemon., Simmer for 15 minutes and season with Tabasco, salt and pepper.
Output:
olive oil, onion, garlic, cider vinegar, ketchup, brown sugar, lemon, Tabasco sauce, Salt