Problem: Continue the following story.

She tried to put the marble in the pen cap, but she couldn't because the 
Here's how I want to continue it: cap was too small.

Problem: Continue the following story.

Jeff called the mechanical services and had to pay using a loan instead of cash because the 
Here's how I want to continue it: cash was depleted.

Problem: Continue the following story.

Laura never kept a sharp knife in the kitchen compared to Sarah because 
Here's how I want to continue it:
Sarah was a professional chef.