Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for dwarf rabbits [title] Buy an indoor cage. [step] Some people like to let their rabbits roam freely in their home. This may not be an option for you, however.

Ending1: These cages may become overcrowded and you may not be able to supervise your dwarf bunny's roam and play, but your pet may easily get bored of the room. [substeps] In this case, try limiting the amount of play you do with your dwarf rabbit. Ending2: You can let your dwarf rabbit roam for its own protection but this is not recommended as there are environmental dangers that can lower their health and get them infected. [substeps] Cages should also be heated, prepared, and kept at 80 degrees fahrenheit (18 degrees celsius). Ending3: Loose walls or heating vents would make your rabbits uncomfortable as they chew. But, you can create a space a dwarf rabbits can run free. Ending4: Either way, your rabbit will need a cage. This cage should be a place where it can be safe, and not interrupted.

Answer format: ending1/ending2/ending3/ending4