Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to tell if your cat grooms excessively [title] Look for missing fur. [step] If your cat over grooms, it will be missing strips of fur on its body. These missing strips are most likely to be on your cat's belly or back.

Ending1: Many cats groom only twice per day and its fur may fall out from under them over time. If your cat isn't exercising regularly or is begging its owners for food, you may not have noticed it grooming itself. Ending2: [substeps] Look for missing areas between its legs. The fur near a cat's legs will not look any less like fur from its belly than it will on its upper body. Ending3: Some cats will groom at the change of seasons, so your cat's fur might be shorter in some areas at this time. Over grooming often results in bald spots, however. Ending4: The fur will also be on the hindquarters. [substeps] If your cat's excess fur is still visible on its legs, you will need to buy a grooming wet suit.

Answer format: ending1/ending2/ending3/ending4