Problem: Continue the following story.

Brett is often anxious and  under much stress at work, Samuel has a calm personality. 
Here's how I want to continue it: Brett constantly worries.

Problem: Continue the following story.

Betty but not Rebecca would be a good private investigator because 
Here's how I want to continue it: Rebecca did not know how to go unnoticed in a crowd.

Problem: Continue the following story.

It was easier to read the article in the magazine than the letter, because the 
Here's how I want to continue it:
letter was handwritten.