Problem: How does the next paragraph end?

How to be a good person after a break up
Avoid bad mouthing your ex.
After breaking up with someone, you probably have some resentment for that person. As much as you want to vent, hold off.
A: If you want to be a good person after a breakup, avoid saying bad things about your ex. This is especially important when talking to mutual friends.

Problem: How does the next paragraph end?

How to treat feline acne
Look for small, black spots.
Typically, these acne lesions are found on a cat's chin. The spots (blackheads or pimples) are small, firm and black.
A: If you stroke him just under the chin, you'll notice that the skin feels gritty. While acne is usually found on the chin, your cat may also have acne lesions above his lip.

Problem: How does the next paragraph end?

How to use a formula to think like warren buffet
Avoid technology companies if you cannot easily understand them.
The same is true if they have competitors you cannot easily understand. Any time that you're not able to decipher the purpose, mission or actions of a company (or those of its nearest competition), that should be a warning sign to you as an investor.
A: Invest in companies with strategies and goals that are transparent to you. Avoid companies in industries with low profit margins.

Problem: How does the next paragraph end?

How to clean a furnace filter
Turn off the furnace.
Never remove a furnace filter while the furnace is running. Make sure to switch the furnace off before you begin.
A:
There is usually a handle somewhere near the furnace that can be switched off. If you're unsure how to turn off your furnace, contact your landlord or the manufacturer.