Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to buy a pet corn snake [title] Learn to differentiate between an adult corn snake and a newborn. [step] A newborn will simply be smaller than an older one. It's important to ask whoever you purchase your corn snake from the snake's age.

Ending1: Therefore, if you purchase one older than a newborn, you should do a self assessment and determine what adult corn snakes would be like. [substeps] Newborn corn snakes should normally not be horned. Ending2: Newborn corn snakes often have a trunk and tail at the bottom of their body. [substeps] This is especially true about baby corn snakes, which are separated from their mother's baby fetus and grow quickly over two years. Ending3: A newly born or weaned corn snake will have a tendency to be larger than a newborn. Or it may have stunted weight since birth. Ending4: There are pros and cons to each side-a newborn can't breed and is more fragile, however can be trained to be friendlier and easily eat frozen mice. An adult, on the other hand, can breed, is less fragile, but may have issues eating frozen mice.

Answer format: ending1/ending2/ending3/ending4