Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to crate train a puppy during the day [title] Crate your puppy throughout the day. [step] Don't only crate your puppy when you're headed out. Crating your puppy while you're home will help it feel safe and secure.

Ending1: Crate training should also be effective for socializing your puppy. [substeps] Crate training can be done in any method with puppies, but making sure to supervise your puppy in the crate may help set her on a consistent schedule. Ending2: [substeps] If you're always gone when your puppy is in its crate, it could lead to feelings of abandonment. These feelings might make your puppy reluctant to use the crate. Ending3: It also helps your pup calm down after going out. [substeps] These types of crate training are better for older dogs than new ones. Ending4: Typically, crating your puppy during the day causes your puppy to calm down more quickly during your " dog day " so that it gets used to being crate-trained. [substeps] When crate training your puppy during the day, crate it in an enclosed space and observe the dog for a few hours until it calms down.

Answer format: ending1/ending2/ending3/ending4