Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to transport a rabbit [title] Obtain a carrier specifically for rabbits. [step] Rabbit travel cages should be rigid, non-collapsible, well-ventilated, and secure to ensure that the rabbit cannot chew through or escape them. Your cage should also have a top opening option to allow nervous rabbits to be removed easily.

Ending1: [substeps] Cardboard boxes are not appropriate because they can be chewed through and become unsafe if the rabbit urinates or if it rains. Travel cages for rabbits are available at pet stores and online. Ending2: Animal carriers made to trap rabbits should also be non-perishable. [title] Write down all the supplies that you will need for the trip. Ending3: [substeps] Choose a carrier with heavy-duty mesh netting that has holes punched out of the sides. Sturdy cages made of glass and metal should also be used for rabbits, as they will not fall apart easily and they will be less susceptible to escaped rabbit escapes. Ending4: [substeps] If travelling as a couple, you might consider buying a blue or black carrier. This will allow you to travel with your rabbit in its new home without worry of getting lost or injury.

Answer format: ending1/ending2/ending3/ending4