Multi-choice problem: Choose from the options at the end, and answer how do you do this: To remove odor from refrigerator

OPT: (a). Take everything out, including food and drawers. Unplug. Clean the entire fridge with a disinfectant cleaning solution. Air out the refrigerator for at least 2 hours before plugging back in and putting food back inside.. (b). Take everything out, except for the drawers. Unplug. Clean the entire fridge with disinfectant cleaning solution. Air out the fridge for at least 2 hours before plugging back in and putting food back inside..
(a).