Problem: What happens next in this paragraph?

A man and a dog walk onto a field. a man
A: throws a frisbee and the dog chases after it.

Problem: What happens next in this paragraph?

A dog is sitting on an orange couch. a dog
A: is sitting in a bath tub getting a bath.

Problem: What happens next in this paragraph?

How to host a sleepover with one guest
Ask your parents.
You need to get permission to invite someone over to spend the night. If you don't get permission, all your planning could be made useless.
A: Make sure the person you invite is pretty nice and someone you know reasonably well. You can ask a causal acquaintance or your best friend, as long as they are pretty nice and you know them reasonably well, it's fine.

Problem: What happens next in this paragraph?

How to minimize seasonal allergy symptoms
Know the pollen count.
If you suffer from seasonal allergies, you should always check your local newspaper, tv station, radio station, or the internet for pollen forecasts. These resources will also tell you about current pollen levels.
A:
Once you know how much pollen is in the air, you can plan your daily activities accordingly. Take allergy medication before symptoms begin when pollen counts are high.