Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for a columbian boa constrictor [title] Get a large tank. [step] Adult boas should be housed in a minimum of a 120-gallon tank while babies can be housed in a 15-20 gallon tank. [substeps] You can buy or make a custom enclosure for your boa to provide it with the best housing possible.

Ending1: [title] Maintain two temperature sides in your tank. [step] Place your heat source on one side of the tank to provide a warm and cool side of the tank for your boa. Ending2: You may find a tank that is approximately 37.5 times larger than it actually is. [title] Add bedding or substrate for your boa to have extra space. Ending3: You can also purchase or make a custom water tank at an animal-supply store if you don't want a specific length of backyard enclosure. Place the water tank in a well-ventilated area and fill it with the appropriate amount of water. Ending4: All in all, boa constrictor cages can hold about 200 wasps or more. You should make sure that the habitat you choose has at least 10 gallon cells and 42 gallons of water.

Answer format: ending1/ending2/ending3/ending4