Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to tell the difference between a crocodile and an alligator [title] Look at the snout. [step] The easiest way to tell the difference between crocodiles and alligators is to look at their snouts. Alligators have a wide, rounded, " u "-shaped snouts with larger noses, whereas crocodiles have longer, thinner, pointed " v "-shaped snouts and smaller noses.

Ending1: Alligator snouts are also shorter than crocodile snouts. [substeps] The broad snouts that alligators have give them more strength than crocodiles. Ending2: Crocodiles have only two stingers, so if you see two stingers, you are likely to have crocodile teeth. [title] Consider the shape of the crocodile's body. Ending3: Look at the neck and facial features closely to determine which features you might find visually alarming. [title] Look at the animal's overall body. Ending4: Alligators usually have jaws that are like a shark's. [title] Be cautious with alligators and crocodiles.

Answer format: ending1/ending2/ending3/ending4