Problem: What happens next in this paragraph?

How to remove scratches from a phone screen
Have toothpaste at the ready.
Toothpaste should already be a standard part of your medicine cabinet and morning routine. Designed to be abrasive, toothpaste can fix a plastic scratch the same way it cleans teeth.
A: Because it is home-based and shouldn't require additional purchases, toothpaste is the recommended remedy for fixing plastic scratches. It's important to make sure the toothpaste is an actual paste, as opposed to a gel-based toothpaste.

Problem: What happens next in this paragraph?

How to diagnose and treat blepharitis in cats
Look for swelling of the eyelids.
When a cat has blepharitis its eyelids will likely swell due to the infection. Look for red and puffy eyelids in one or both of your cat's eyelids.
A: Because this infection is bacterial, it can move from one eye to both eyes. However, it may just stay in one.

Problem: What happens next in this paragraph?

How to handle winter allergies
Minimize your exposure to dust and dust mites.
Dust and dust mites are common indoor allergens, so when winter comes (and you spend more time indoors) these allergy symptoms may worsen. The best way to combat the allergy symptoms is to prevent (or minimize) your exposure to the allergen in the first place.
A: Strategies to reduce the dust and dust mites in your home include : Purchase a hepa air filter. This can help to clear dust out of the air, and hence reduce your allergy symptoms.

Problem: What happens next in this paragraph?

How to pass safely on a two lane road
Look at traffic signals and lane markings to ensure passing is legal.
Check for signs indicating whether you're in a designated passing zone or non-passing zone. If you're unsure, look at the lane markers.
A:
A solid yellow line indicates it's unsafe to pass into oncoming traffic. A single dotted yellow line or a solid yellow line with a dotted line on your side of traffic indicates that it's a safe move.