Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to pick up a small adult dog [title] Crouch behind the dog with your legs hip width apart. [step] To ensure your back is supported, take a stance behind the small adult dog with equal weight in both feet. Make sure your feet are hip width apart.

Ending1: This will ensure you can lift the small dog without putting your lower back at risk. Then, crouch down until you are at the dog's level. Ending2: [title] Bring your hands together in front of you with palms facing downward. [step] This is where your puppy will bend its front-legs and point its front paws towards the ceiling. Ending3: [substeps] If the dog hasn't ever grabbed you from behind before, you should be able to see it clearly. Go to the same squat you'd use in your backyard, standing sideways between the squat and the curb. Ending4: This should not be helpful in a crowded room, as your back should be facing the wall. [substeps] Keep your back up and your chest by raising your shoulders.

Answer format: ending1/ending2/ending3/ending4