Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to treat hearing loss in senior cats [title] Bring your cat to the vet twice a year and at the first sign of problems. [step] Having a vet examine your senior cat at least twice a year is essential to maintaining its overall health. In addition, you should bring it to the vet as soon as you notice signs of hearing loss or ear infection.

Ending1: [substeps] One option is to bring your arthritic senior cat to the vet multiple times a year. If your cat develops hearing loss it should be examined about once every three weeks. Ending2: As a home owner, you should bring your home pet to a vet visit at least once a year. Additionally, as the cat ages, you should bring it to the vet as often as is appropriate. Ending3: [substeps] If your senior cat has persistent hearing loss or eye infections, it may benefit from an examination by a vet. [title] Have your vet perform an ear exam to check for deafness. Ending4: [substeps] If your cat has a chronic medical condition, its vet might recommend more frequent visits. [title] Change your cat's medication if it is causing hearing loss.

Answer format: ending1/ending2/ending3/ending4