Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to tell if your cat is depressed [title] Get your cat examined by your veterinarian. [step] If you notice behavioral changes in your cat, make an appointment with your veterinarian. You want to make sure there isn't an underlying medical issue causing your cat's depression that might require specific treatment.

Ending1: [substeps] Tell your vet about any changes you've noticed in your cat, such as changes in appetite, sleeping habits, and personality. Your veterinarian will perform a routine physical exam, listening to your cat's heart beat, examining her eyes and ears, and taking her temperature. Ending2: Talk to your veterinarian about what treatment for depression may be best for your cat. [substeps] If you see something abnormal that you suspect does not always change, talk to your veterinarian. Ending3: If you observe any behavior of your cat, ask about its treatment options. [substeps] Treatment options can vary depending on the underlying issue as well as the severity of the depression, however. Ending4: These behavioral changes can include : [substeps] Discomfort or other problems restricting activity or eating medication decreased appetite inability to sleep or exercising poor physical activity decreased appetite night long periods of the day [title] Monitor how your cat responds to approaches from strangers. [step] A change in your cat's behavior may indicate other underlying problems.

Answer format: ending1/ending2/ending3/ending4