Multi-choice problem: Choose from the options at the end, and answer how do you do this: how to remove water spots from granite

Options:
(a). wash the stain with a gentle detergent and water; use a soft bristled brush to scrub lightly. Rinse with clean water and dry. For slightly more stubborn stains, make a paste of baking powderand water, or talc with a diluted solution of ammonia, bleach or hydrogen peroxide.
(b). wash the stain with a gentle detergent and water; use a soft bristled brush to scrub lightly. Rinse with clean water and dry. For slightly more stubborn stains, make a paste of baking soda and water, or talc with a diluted solution of ammonia, bleach or hydrogen peroxide.
(b).