Please choose the correct solution to the question: Create a sausage soup

Solution1: Combine cooked sausage to a slow cooker along with vinegar and chicken wings. Add a little oil so the bottom is covered and cook on low for an hour.

Solution2: Combine cooked sausage to a slow cooker along with cubed potatoes and chicken stock. Add water until the potatoes are covered and cook on low for 5 hours.

Answer format: solution1/solution2
Answer: solution2