Problem: Continue the following story.

The light did not make it to the other side of the room through the curtain because the 
Here's how I want to continue it: curtain was heavy.

Problem: Continue the following story.

The siblings of Ian are cruel, but Christopher has nice ones. 
Here's how I want to continue it: Christopher grew up in a love filled family.

Problem: Continue the following story.

Teresa measured the load of materials she needed to make the living room curtains. Therefore the 
Here's how I want to continue it:
materials were needed.