Problem: Continue the following story.

Elena left their dog and cat with Lindsey because they trusted them and 
Here's how I want to continue it: Elena was going on vacation.

Problem: Continue the following story.

When Christopher started to laugh at Joel after he fell, Mother told 
Here's how I want to continue it: Christopher should apologize.

Problem: Continue the following story.

Katrina was pregnant and went to go see Cynthia for a checkup, and 
Here's how I want to continue it:
Cynthia performed the checkup without issue.