Problem: Continue the following story.

The man threw away the receipt but kept the box  because the 
Here's how I want to continue it: box was required if he wanted to return the tool.

Problem: Continue the following story.

Jen wanted to use her watch as a compass in the wild, but it was harder for her to get it to work as the 
Here's how I want to continue it: compass .

Problem: Continue the following story.

Sarah asked Katrina to help them learn to play the guitar because 
Here's how I want to continue it:
Sarah was inexperienced.