Please choose the correct solution to the question: how to keep pillows clean

Solution1: wash your pillow cases once a week and washing the pillows themselves on a monthly basis, buying antimicrobial zippered pillow protectors can help keep your living room furniture free of any unwanted microscopic guests

Solution2: wash your pillow cases once a week and washing the pillows themselves on a monthly basis, buying antimicrobial zippered pillow protectors can help keep your bed free of any unwanted microscopic guests

Answer format: solution1/solution2