Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for an axolotl [title] Set up the tank. [step] A 10-gallon (38 liter) tank can work for a single axolotl. However, bigger is generally better when it comes to an axolotl.

Ending1: Before beginning care for an axolotl, you should make sure that it needs 3-48 hours of care every day. [substeps] Axolotls are naturally sick, and simply going too long without a proper diet can lead to dehydration. Ending2: Your axolotl needs to be at least 70 square feet (990 meters) or larger. [substeps] Axolotls are rare, so it is a good idea to start with just one axolotl if your aquarium is larger. Ending3: Opt for the biggest tank you can fit into your home. A 20-gallon (76 liter) tank is a good size for an axolotl. Ending4: Depending on the size of the axolotl tank, a smaller tank may work better for one axolotl. Smaller tanks may only work for 5 axolotls.

Answer format: ending1/ending2/ending3/ending4