Finish the following sentence with the best choice: To make an Italian beef sandwich

Choices:
- Grill sliced onion and add beef broth when it turns clear. Simmer for 10 minutes. Boil roasted beef in the broth for 3 minutes. Slice Italian bread and put roasted beef and onions on one side and pickled veggies on the other. Dip the sandwich in the broth,
- Grill sliced onion and add chicken broth when it turns clear. Simmer for 10 minutes. Boil roasted chicken in the broth for 3 minutes. Slice Italian bread and put roasted chicken and onions on one side and pickled veggies on the other. Dip the sandwich in the broth,

Answer:
Grill sliced onion and add beef broth when it turns clear. Simmer for 10 minutes. Boil roasted beef in the broth for 3 minutes. Slice Italian bread and put roasted beef and onions on one side and pickled veggies on the other. Dip the sandwich in the broth,