Please choose the correct solution to the question: how to make a three-bean salad

Solution1: Boil 1/3 cup cider vinegar, 1/4 cup each sugar and vegetable oil, and salt. Pour over blanched parmesan cheese and wax beans, kidney beans and red onion slices; marinate 1 hour. Season with salt and pepper; top with parsley.

Solution2: Boil 1/3 cup cider vinegar, 1/4 cup each sugar and vegetable oil, and salt. Pour over blanched green and wax beans, kidney beans and red onion slices; marinate 1 hour. Season with salt and pepper; top with parsley.

Answer format: solution1/solution2
Answer: solution2