Problem: Continue the following story.

Angela took time and helped Sarah study for the upcoming math exam because
Here's how I want to continue it: Angela had math proficiency.

Problem: Continue the following story.

Erin was more unfamiliar with France compared to Rebecca because
Here's how I want to continue it: Rebecca visited many times before.

Problem: Continue the following story.

Meeting payroll was a problem for Cynthia but not for Tanya because
Here's how I want to continue it:
Tanya was a very skilled businessperson.