Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to introduce your kitten to the outdoors safely [title] Wait until your kitten is enthusiastic and curious about the outdoors. [step] Don't force them to go outside if they're not ready. Slowly ease into it.

Ending1: Don't rush your cat into it, let them explore on their own, or the kitten may panic. [title] Wash your hands! [step] Use a garden hose to wash your hands. Ending2: Once you see that your kitten is ready for the outdoors keep the back door open a smidge and let him wander over to it. Once he gets outside he'll probably already be sniffing and adjusting to the new location and smells. Ending3: [substeps] The kitten may only go out with treats or toys once they're confident. You may need to turn your kitten on a leash to limit your supervision. Ending4: Wait as long as you can as they learn to associate the outside with the outdoor world. Once they're comfortable with that environment, you can stop taking trips out into the outdoors and gradually set them accordingly.

Answer format: ending1/ending2/ending3/ending4