Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to convince someone to spay or neuter their cat [title] Emphasize the health benefits. [step] Spaying their cat will significantly increase its chances of living a long life, with fewer health complications. A cat that has not been spayed is significantly more likely to suffer from uterine infections and breast cancer, both of which are deadly in a majority of cases.

Ending1: [title] Breed your cat according to its age. [step] Female cats who are only spayed about five to seven years old or more have heart disease and bone disease. Ending2: [title] Explain to the owner that it will them get a better night's sleep. [step] A female cat will go into heat four to five days every three weeks, making nearly a third of the time the owner spends with their cat hellish. Ending3: Your vet or pet store may be able to help you with this final decision. But if they don't offer these benefits, at least you know you are making the right choice for your cat. Ending4: For this reason, it's particularly important to encourage the cat to be spayed at least once a year. [substeps] However, many experts suggest that spaying or neutering your cat will significantly decrease the cat's chance of developing uterine infections.

Answer format: ending1/ending2/ending3/ending4