Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for a russian campbell dwarf hamster [title] Choose the right cage. [step] First, you'll need to select a cage for your hamster. Dwarf hamsters, including russian campbells, are notorious for chewing and nibbling.

Ending1: However, they may also chew on things, like cat beds and sleep bags, which cats will never overlook. For each hamster that you select, choose a secure, empty cage. Ending2: The best cage for this type of hamster is one with a wooden top. Consider a cage made of wood or vinyl. Ending3: Therefore, an aquarium style cage would be better than a cage with bars. Hamsters can chew through the bars of wire cages. Ending4: You want a cage with enough air flow and floor space for the hamster and an area below the cage for bedding. [substeps] For a 100 pound hamster, the less room you have for him or her to chew on, the better.

Answer format: ending1/ending2/ending3/ending4