Problem: Continue the following story.

When the vacuum broke, Joel took it to Christopher to fix it; 
Here's how I want to continue it: Christopher was great at small home repairs.

Problem: Continue the following story.

Emily is really bad at science and asks for instructions from Carrie, because 
Here's how I want to continue it: Carrie is already good at science.

Problem: Continue the following story.

Craig was better able to cope with the sudden loss of their mother than Derrick, because 
Here's how I want to continue it:
Craig had a strong support network.