Problem: Continue the following story.

My backpack was able to carry the heavy textbook but my purse couldn't because the 
Here's how I want to continue it: backpack was made with stronger materials.

Problem: Continue the following story.

The very pretty wedding is being decorated by Erin for Cynthia, so 
Here's how I want to continue it: Cynthia is the bride.

Problem: Continue the following story.

Jennifer accepted the medal that they won graciously as Lindsey looked on, since 
Here's how I want to continue it:
Lindsey was the referee.