Problem: Continue the following story.

Lindsey received their acid reflux medication from Sarah because 
Here's how I want to continue it: Sarah knew what it was like.

Problem: Continue the following story.

Rachel was surprised when Mary leaned in for a kiss, because 
Here's how I want to continue it: Rachel wasn't interested in a relationship.

Problem: Continue the following story.

The clique of Cynthia is filled with nerds, while Jessica hangs with the popular kids, so 
Here's how I want to continue it:
Cynthia is a geek.