Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for american longhair cats [title] Introduce a new cat to your home gradually. [step] It is best to confine start your cat in one room of your house, particularly if it is a kitten. Be sure to put its litter box, food, and water dishes in the room.

Ending1: These things will ensure it is well-adjusted and won't aggravate the stress of the new cat. [substeps] Don't pet or stroke your cat during the initial introduction process. Ending2: This way the cat can feel secure in one room as it acclimates to its new home. [substeps] Spend time with your cat and get to know it by playing, talking, and brushing it. Ending3: This will help the cat adjust to its new pet. Try introducing your new cat to all the new things in your home quickly. Ending4: The needs of its new companion depend largely on whether it is your home cat or a purebred adult cat. Ensure that your house cat has access to the litter box, food and water, a comfortable bed, and a litter box.

Answer format: ending1/ending2/ending3/ending4