[Q]: How does the sentence end?

Steven is filing for bankruptcy, but Dennis will likely never have that problem. 
OPTIONS:
- Steven is rich.
- Dennis is rich.

[A]: Dennis is rich.
QUES: Continue writing.

I got a worse sunburn sitting under the umbrella than when I sat under the tree because the 

OPTIONS:
- tree offered less shade.
- umbrella offered less shade.
+++++++++
ANS: umbrella offered less shade.
Problem: How does the sentence end?

Joel didn't realize that Brian wasn't allowed to eat pork for religious reasons, so 
OPTIONS:
- Joel couldn't eat the pork chop for dinner.
- Brian couldn't eat the pork chop for dinner.
Answer: Brian couldn't eat the pork chop for dinner.
sentence: Mark never pays with his debit card and uses the credit card instead, because the  OPTIONS:
- debit card is more safe.
- credit card is more safe.
complete: credit card is more safe.
The guidelines at my old job were a lot worse than the instructions at my new job, because the 
OPTIONS:
- guidelines are lighter.
- instructions are lighter.
instructions are lighter.
Problem: Continue the following story.

When Mary lost her first tooth, Carrie was very excited. 
OPTIONS:
- Mary knew that the tooth fairy would come if she left it under her pillow.
- Carrie knew that the tooth fairy would come if she left it under her pillow.
Here's how I want to continue it:
Mary knew that the tooth fairy would come if she left it under her pillow.