Please choose the correct solution to the question: To make an Italian beef sandwich

Solution1: 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,

Solution2: 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 format: solution1/solution2
Answer: solution1