Please choose the correct solution to the question: how to clean my shower curtain?

Solution1: Clean those ugly mildew stains off your plastic shower curtain by putting it and a couple of soiled towels in your washing machine. Add 1/2 cup laundry gel and 1/2 cup baking soda to the load, and wash it in warm water on your machine's regular cycle. Add 1 cup white vinegar to the first rinse.

Solution2: Clean those ugly mildew stains off your plastic shower curtain by putting it and a couple of soiled towels in your washing machine. Add 1/2 cup laundry detergent and 1/2 cup baking soda to the load, and wash it in warm water on your machine's regular cycle. Add 1 cup white vinegar to the first rinse.

Answer format: solution1/solution2