Problem: How does the next paragraph end?

How to teach a dog to smile
Pay attention to time.
Teaching a dog to smile is similar to teaching him any habit, so you'll need to know the basic tenets of dog training. Timing makes a huge difference when it comes to successfully training a dog.
A: A dog must be rewarded the instant he obeys a command. Many people reward their dogs with a small treat or positive verbal praise, such as " yes! " or " good job! " some people invest in a clicker, a small mechanical device that makes a clicking noise when a button is pushed.

Problem: How does the next paragraph end?

A man in a suit sits against a background. He nods his head as he looks at the camera. He then begins to talk about something. he
A: alternates between talking and listening.

Problem: How does the next paragraph end?

How to get rid of nicotine stains on walls
Move furniture away from your walls before washing them.
If you have furniture against the walls that have stains on them, you'll want to move the furniture to keep it from getting dirty or messed up. Move the furniture up against another wall or to another room.
A: If you can't move the furniture, put a tarp or cloth over them for protection. Put plastic or a waterproof tarp at the bottom of the wall to protect the floor.

Problem: How does the next paragraph end?

Two men speak on walkie talkies on the side and the men drive the cars into one another. One pushes the car back and the men all get out and speak to one another. another car
A:
is test with the men speaking to the camera and pushes the car back while others look in disbelief.