Problem: Continue the following story.

Betty wanted to buy some new clothes and asked Elena to come along because 
Here's how I want to continue it: Betty had no fashion sense.

Problem: Continue the following story.

Samantha had uglier skin than Erin had because 
Here's how I want to continue it: Samantha never used their lotion and moisturizer.

Problem: Continue the following story.

Since Angela liked to read and Felicia did not, 
Here's how I want to continue it:
Angela often visited the library on the weekends.