Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to treat obesity in cats [title] Talk to your vet. [step] Before starting your cat on a diet, it's important to talk to your vet. A vet can help you determine the best, safest diet for your cat, as well as a healthy weight for your cat.

Ending1: Keep the following in mind during assessing your cat's current weight : [substeps] Start with a low calorie diet. Choose 1-2 foods that will give your cat much of its protein. Ending2: [substeps] Ask your vet about the best food for your cat. Your vet may recommend putting your cat on a diet food to help it lose weight. Ending3: [substeps] Assess your cat's weight each day. Your vet can help you create a weight and size scale for your cat. Ending4: The vet can then recommend appropriate treatment based on your cat's specific health concerns. [title] Introduce familiar foods to your cat before introducing new foods to it.

Answer format: ending1/ending2/ending3/ending4