Write the next sentence in this paragraph:

How to befriend dogs
Make sure the dog is friendly.
When approaching a strange dog, be particularly aware of its body language. If an owner is present, ask the owner if the dog is friendly.

Select from the following.
(1). Make sure the dog wants to be petted. You can easily alienate a dog by approaching one that is nervous or agitated..
(2). If a dog seems hesitant to meet you or extends its hand to you, it's the opposite of friendly. Avoid approaching a dog by walking near it and stopping so that the dog can see you..
(3). Usually, a dog looks friendly when greeting a stranger but when the dog is not, try something more benign. Some common signs of friendliness on dogs are legs waving, laughing, and shoulder-shaking..
(4). Common signs of friendly behavior are not always direct stares. If a stranger approaches the dog, its body language may indicate a definite dislike..
(1).