Please choose the correct solution to the question: How do you make bone broth?

Solution1: Add cartilaginous bones, wine, vegetable scraps and 1/4 cup of apple cider vinegar to a pot and simmer for 12 hours, strain and put into jars and refrigerate.

Solution2: Add cartilaginous bones, water, vegetable scraps and 1/4 cup of apple cider vinegar to a pot and simmer for 12 hours, strain and put into jars and refrigerate.

Answer format: solution1/solution2
Answer: solution2