Problem: Continue the following story.

Mary bought a laptop to replace her computer for picture editing. The 
Here's how I want to continue it: computer was old.

Problem: Continue the following story.

Elena felt empathy for Samantha when they lost their favorite teddy bear, because 
Here's how I want to continue it: Elena was an adult.

Problem: Continue the following story.

Carrie was more computer literate than Natalie, so 
Here's how I want to continue it:
Natalie needed someone to explain the software.