This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to disinfect a hamster's cage
Gather your supplies.
Being prepared is the first step towards giving your hamster a clean cage. Make sure that you have two sponges--one for cleaning and one for disinfecting.

Select from the following.
1). Purchase wax paper towels or disinfectant wipes, as they can be found in pet stores. Cotton swabs are great non-toxic options.
2). You can buy the sponges at any pet store or online. If you don't have sponges, you will need : Disinfectant.
3). You should use a general household disinfectant for the cleaning. Just make sure to thoroughly rinse the surfaces of the cage after cleaning.
4). This can be done by : Putting cleaning supplies into a plastic bag. Spraying a little bit of water in a bucket.
The answer is:
3).