Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to give a horse an injection [title] Ask an experienced horse person to help out. [step] If you're reading this article, you likely don't have a lot of experience with giving injections. It's a good idea to have someone to help you-either an experienced horse person or your veterinarian.

Ending1: You should certainly have an experienced professional supervise you the very first time you give an injection. If your veterinarian can't make the trip, see if a vet tech can help you out. Ending2: [title] Identify areas where you may be experiencing pain or achiness. [step] The main area of pain should always be in the area where the injection is being administered. Ending3: Having someone help out even if you don't know the patient well can help with the discomfort. [substeps] Don't assume a horse is at least 100% comfortable or well-lubricated enough for you to place a needle in their ear without discomfort. Ending4: While it might seem like the most complex approach, you could still bring the dog or horse you are considering to the vet's office and ask if you can give it an injection. [title] Dress your horse to help with its preparation.

Answer format: ending1/ending2/ending3/ending4