Problem: How does the next paragraph end?

How to make cheese babka
Add the warm water to a bowl.
To activate the yeast, you'll need to mix it with water. Fill a small bowl with cup (118 ml) of warm water and place it in the center of your workspace.
A: The water should be 110 f (43 c) so it's warm enough to activate the yeast. Sprinkle the yeast and sugar over the water and stir well.

Problem: How does the next paragraph end?

How to detect lead in water
Call your municipal water supplier.
Your municipal water supplier is required to monitor the water supply for lead and other contaminants. Contact information should be listed on your water bill.
A: Other local government agencies will be able to direct you to an appropriate contact if you cannot find this information. Ask for a copy of their consumer confidence report.

Problem: How does the next paragraph end?

How to build a castle out of cardboard boxes
Find suitable cardboard boxes.
A sturdy, nicely shaped box would be best. A good example is a box used for printer paper.
A: Cereal boxes, tissue boxes, or shoe boxes would work as well. Also collect four cardboard rolls, these can either be toilet paper or paper towel rolls depending on the size of your castle.

Problem: How does the next paragraph end?

How to make creepy peanut butter mouths
Cut the apple in half while making sure to cut a little off center to avoid any seeds.
You want to make sure it has a flat surface and that it is entirely edible. Never eat apple seeds!
Keep up with the halloween horror theme.
A:
With the flat surface down, you want to cut two diagonal lines near the center of the slice you just cut and create a point. Slide out the piece you just cut.