Definition: 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.
Input: Combine chicken broth, vinegar, soy sauce and ginger in saucepan., Bring to a simmer., Add tortellini and bok choy stems; simmer 15 minutes, removing tortellini after it tests done., Add bok choy leaves, chicken and onions., Cook just until bok choy leaves wilt., Return tortellini to soup.
Output:
chicken broth, rice wine vinegar, soy sauce, fresh ginger, dried cheese, chicken, green onions, bok choy