Problem: Continue the following story.

Tanya is being hired to be an attorney by Amy, so 
Here's how I want to continue it: Amy must be in trouble.

Problem: Continue the following story.

Betty told quite a yarn to Erin, because 
Here's how I want to continue it: Erin didn't really know anything about the situation at all.

Problem: Continue the following story.

When their parents built the treehouse, Elena was excited, but not Carrie, because 
Here's how I want to continue it:
Carrie hated climbing heights.