Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to toilet train a hamster [title] Obtain a litter box. [step] If you want to toilet train your hamster, the first step is to provide your hamster with a litter box. You can purchase a litter box or make you own.

Ending1: Visit your local animal shelter in your area to confirm that they have a litter box you can use. They should teach you how to feed your hamster. Ending2: [substeps] You can purchase a " hamster potty " online or at a local pet store. Such devices are small plastic enclosures that you place in the corner of your hamster's cage. Ending3: You should also decide on how you want to use your litter box and make sure it has a small opening for ventilation. [substeps] You should also purchase a mesh box, which you can use to hold your hamster while you toilet train it. Ending4: [substeps] Make sure the litter box is large enough to accommodate both hamsters. Hamsters need to be able to see the floor to pee.

Answer format: ending1/ending2/ending3/ending4