Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to find a good guard dog [title] Decide why you need a guard dog. [step] If you know why you need a guard dog, you may be able to find one that is best suited to your purposes. Guard dogs should be used to defend your home and property; they should not attack any stranger at will.

Ending1: [substeps] Guard dogs are responsible for keeping prey and potential poser dogs away. You may be able to find a guard dog online or in your local pet store. Ending2: [substeps] Consider the dog's activity level. Would it fetch shoes easily? Can your dog handle sharp objects? [title] Consider your dogs personality. Ending3: Instead, they need cautious instincts to know when their family is in danger and when they are safe. You might need a guard dog to : [substeps] Alert you if strangers are nearby. Ending4: In order to get a good guard dog, you need a guard dog who is familiar with the house and the neighborhood. They are likely to come across as a friendly and alert dog.

Answer format: ending1/ending2/ending3/ending4