Story needs to be completed:
During the concert the ukulele sounded worse than the guitar because the 
OPTIONS:
- ukulele was out of tune.
- guitar was out of tune.

My choice:
ukulele was out of tune.
Problem: Continue the following story.

The worker moved the cardboard from the truck to the storeroom until the 
OPTIONS:
- truck was empty.
- storeroom was empty.
Here's how I want to continue it: truck was empty.
Problem: Joel was very good at growing plants but Christopher was not. 
OPTIONS:
- Joel had a dead brown garden.
- Christopher had a dead brown garden.

My choice: Christopher had a dead brown garden.
[Q]: How does the sentence end?

Natalie was more likely to travel to a foreign country than Rachel, because 
OPTIONS:
- Natalie did not have an adventurous spirit.
- Rachel did not have an adventurous spirit.

[A]: Rachel did not have an adventurous spirit.
QUES: Continue writing.

John replaced his wood ladder with a metal one for his birthday, the 

OPTIONS:
- metal was unstable.
- wood was unstable.
+++++++++
ANS: wood was unstable.
QUES: Continue writing.

Dennis was installing solar panels on Brian's roof when he slipped and fell off the roof. 

OPTIONS:
- Dennis got help and called an ambulance.
- Brian got help and called an ambulance.
+++++++++
ANS:
Brian got help and called an ambulance.