Problem: How does the next paragraph end?

How to clean a ceramic sink without chemicals 
Apply lemon juice or vinegar to any stained areas. 
These mild acids are especially effective at removing rust stains. If you use lemon, you can either squeeze the juice onto the stain or gently rub the stain with a lemon wedge.
A: Alternatively, pour a little white vinegar on the stain. Allow the cleanser to sit for a while.

Problem: How does the next paragraph end?

How to avoid being punished with bad grades 
Be upfront about the problem. 
If you got a bad grade on a test or on your report card, be upfront about the problem right away. This can help you avoid punishment.
A: Your parents want you to be successful in school. If you tell them that you're honestly struggling, they'll be more likely to want to look for a solution than try to punish you.

Problem: How does the next paragraph end?

A baby is swimming in a pool on its back. the baby
A: is kicking its feet in the water.

Problem: How does the next paragraph end?

A band is standing together in an outside arena. a woman
A:
drinks from a cup while they prepare to play.