Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for a cat with a holter monitor [title] Return your cat to its normal schedule. [step] After you equip your cat with the holter monitor, allow it to go about its regular activities. Do not make it run, exercise, or eat more than it usually would, or engage in any other unusual activity.

Ending1: [title] Return your cat to its normal environment. [step] Do not take your cat on a long car trip or to a friend's house. Ending2: Simply leave your cat alone and look after your holter monitor. [substeps] Holter monitors can usually be changed right away. Ending3: After a longterm absence, your cat will become paranoid about the caregivers who are caring for it. [title] Observe and minimize visits from your vet. Ending4: [title] Vaccinate your cat at a medical evaluation. [step] Your vet will go through the proper vaccinations for your holter monitor.

Answer format: ending1/ending2/ending3/ending4