Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to determine whether to have your rabbit neutered [title] Wait until the rabbit is old enough to be neutered. [step] It is fruitless to determine whether to have your rabbit neutered before you can actually do so. Make the decision only after your rabbit is at least three to five months old, the age after which it can be neutered.

Ending1: [substeps] Don't wait until your rabbit is too old to be neutered. Most vets will not neuter a rabbit after it reaches six years of age. Ending2: [substeps] Pregnant rabbits, nursing females, juvenile rabbits, & children under the age of five should not be neutered. [title] Remove the legs from the longhaired rabbit. Ending3: However, you will still have to wait for a suitable time to make your decision. [substeps] It is against the law to let animals be neutered after the death of one of their owners, because in many states this is considered very criminal. Ending4: Then, choose the time when your rabbit is in its " breeding age. " [substeps] Female rabbits do not usually need to be neutered until around four to seven years of age.

Answer format: ending1/ending2/ending3/ending4