Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for winter white dwarf hamsters [title] Get a suitable cage. [step] The minimum cage size for one hamster is 450 square inches of floor space. It is recommended that you have cages larger than that, though.

Ending1: Older hamsters, who do not have fur on their coats will need more space. [substeps] Wear the right clothing and toys when your hamster is in a cage. Ending2: Preferably buy or make a cage larger than 600 square inches. This might sound like a lot, but imagine being trapped in a room your whole life. Ending3: [title] Two or three hamsters is always good. [step] Two hamsters can be territorial and they can't go after each other if they are separated. Ending4: [title] Choose a 30-gallon (45.7 l) tank. [step] Dwarf hamsters are relatively small and can only live for at least 1-1.4 hours.

Answer format: ending1/ending2/ending3/ending4