Please choose the correct solution to the question: How to make chili.

Solution1: Pour tomato sauce, diced tomatoes, kidney beans, chili seasoning and ground beef into crockpot. Set to cook for 6-8 hours.

Solution2: Pour tomato sauce, diced tomatoes, kidney beans, chili seasoning and ground beef into oven. Set to cook for 6-8 hours.

Answer format: solution1/solution2
Answer: solution1