Problem: How does the next paragraph end?

A group of boys are seated at tables. they
A: are trying to solve rubik's cubes puzzles.

Problem: How does the next paragraph end?

How to cool cakes 
Decide how much time you have. 
Depending on the type of cake, cooling using this method can be done in just a couple of hours. Here are some things to consider : 
Angel food cakes, pound cakes, sponge cakes and other light and fluffy cakes can cool in the refrigerator in about 1-2 hours.
A: This method may not be the best choice for a cheesecake, as quick changes of temperature can upset the structure of the cake, causing cracks. For rich, creamy cakes that are served chilled, this method may take you up to 4 hours.

Problem: How does the next paragraph end?

How to make decisions 
Write about your fears. 
Journaling about your fears may help you to start to understand them and make a better decision as a result. Start by writing about the decision you need to make.
A: Describe or list everything that you are worried about regarding this decision. Allow yourself to vent about these fears without judging yourself for having them.

Problem: How does the next paragraph end?

How to use a document organiser 
Purchase a document organiser. 
The size will be determined by the documentation that you intend to keep. If you only wish to store receipts, you may choose a smaller document organizer rather than if you are going to store larger pieces of paper and documents then you should probably choose a large document organiser.
A:
Decide what categories you want to include. Once you have decided on your categories, then you will need to label the tabs on the separate compartments.