[Q]: How does the sentence end?

Christine believes that praying is helpful, but Carrie does not, because 
OPTIONS:
- Christine does not believe in a higher power.
- Carrie does not believe in a higher power.

[A]: Carrie does not believe in a higher power.
QUES: Continue writing.

The principal said that Rebecca was very good at algebra unlike Natalie, therefore 

OPTIONS:
- Rebecca failed all the tests.
- Natalie failed all the tests.
+++++++++
ANS: Natalie failed all the tests.
Problem: How does the sentence end?

The teenager poured gas from the container into the tank of his car until the 
OPTIONS:
- tank was full.
- container was full.
Answer: tank was full.
sentence: Strangely, at the restaurant, the customer only found the dessert fulfilling and not the meal because the  OPTIONS:
- dessert was substantial.
- meal was substantial.
complete: dessert was substantial.
Dennis drew up a business proposal to present to Logan because 
OPTIONS:
- Dennis wants his investment.
- Logan wants his investment.
Dennis wants his investment.
Problem: Continue the following story.

Craig asked Joel to help him clean his Airpods case, but 
OPTIONS:
- Craig doesn't know how.
- Joel doesn't know how.
Here's how I want to continue it:
Joel doesn't know how.