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.

Heat olive oil in a large skillet on medium heat. Add onion and saute for 1-2 minutes. Add garlic, chicken, bell pepper, bok choy stalk, crushed red pepper flake, and coriander and saute until chicken is cooked through and vegetables are tender. Add the bok choy greens at the end just to wilt them slightly. Add salt and pepper to taste.
Output:
Bok, red bell pepper, garlic, onion, chicken, red pepper, olive oil, coriander, salt