Multi-choice problem: Choose from the options at the end, and answer how do you do this: how to clean a ceiling fan with a pillowcase

Available options:
(I) First, turn the fan off. Then, fill a spray bottle with water and two tablespoons of distilled white vinegar. Next, spray the solution inside a pillowcase. Then, carefully stand on a ladder and slip the pillowcase onto each blade, wiping it clean by trapping the dust in the case..
(II) First, turn the fan off. Then, fill a spray bottle with water and two tablespoons of distilled white vinegar. Next, spray the solution inside a pillowcase. Then, carefully stand on a ladder and slip the pillowcase onto each blade, covering each blade with a case. Noone will see the dirt. changecases as needed..
(I)