Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to clean a long haired hamster [title] Gather your supplies. [step] Long-haired hamsters may need more cleaning than short-haired hamsters. If you notice your hamster seems dirty, a dry bath or sand bath is your best option.

Ending1: In the wild, hamster clean themselves using abrasive dirt or sand as water drains their fur of necessary oils. Always go for a sand bath over a water bath. Ending2: Avoid clean cages, which can be especially dirty. [title] Wash your hands before you handle your hamster. Ending3: Do not let him go too long, as this can lead to illness or injury. Avoid using hot water while your hamster is cleaning. Ending4: [substeps] If your hamster seems to be sick after your bathing, you may also need to trim a few hairs on its coat. Wash your hamster's coat once a week.

Answer format: ending1/ending2/ending3/ending4