Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to cope with guilt after a dog's death [title] Focus on your intent. [step] If you chose to euthanize your dog, your intention was to alleviate its suffering and pain. Similarly, if your dog died as a result of an accident, remember that you did not intentionally let your dog run outside unattended.

Ending1: By choosing to remember that you did not actively intend to cause harm to your dog, you can help alleviate your feelings of guilt. [substeps] Remember that you made the best decision you could under the circumstances. Ending2: [title] Remind yourself that the decision is for your best interests. [step] Studies show that the best way to deal with a dog's pain is to think rationally about the choice. Ending3: What's more, as euthanasia is the ultimate reward for neither you nor your pet, the punishment will apply to either. [substeps] Find a quiet place where you can feel relaxed. Ending4: In addition, it was not the fault of your dog (that is, you didn't cause the accident). Your intent was because it thought it would get something else for its body and was ultimately to punish you for not having enough time for a healthy dog to live.

Answer format: ending1/ending2/ending3/ending4