Problem: What happens next in this paragraph?

A man put a timer on a laptop on top of a table. the man
A: grabs a rubik's cube and play with it.

Problem: What happens next in this paragraph?

How to do a parkour vault
Know what you're aiming for.
A vault is any jump using at least one hand. There are very many different vaults, all equally fun to learn and perform.
A: Think dash vault, kong vault, or speed step, to name just a few. The one thing that sets vaults apart from other moves such as swings, running jumps or arm jumps is that they carry you over a hip-height obstacle using at least one hand.

Problem: What happens next in this paragraph?

How to become a chemistry teacher
Decide that teaching chemistry is right for you.
Being a teacher isn't about learning a subject. It's about being able to pass along that knowledge to others, many of whom won't be as interested as you.
A: You need to be able to get excited when explaining chemistry to others. You will need to be a strong communicator to help students understand concepts, and watch them carefully to notice when they may be struggling.

Problem: What happens next in this paragraph?

How to build an ant farm
Get two glass jars with lids.
You'll need a large jar and a smaller one that just fits inside. The dirt and ants will be placed in the space between the small jar and the large jar.
A:
The small jar functions as a way to take up space in the middle so that the ant colony will build tunnels and lay eggs close to the outer edge, putting these processes in plain view. Skipping this step will allow the ants to burrow deep toward the middle of the jar, which they'll naturally want to do.