Problem: Continue the following story.

Dennis showed endless dedication to the unappreciative Ian, so 
OPTIONS:
- Dennis leeched all their energy selfishly.
- Ian leeched all their energy selfishly.
Here's how I want to continue it: Ian leeched all their energy selfishly.
Problem: The janitor tried to clean the mirror with the spray but the 
OPTIONS:
- mirror was too weak.
- spray was too weak.

My choice: spray was too weak.
[Q]: How does the sentence end?

William was very haphazard about safe sex but Derrick was very careful. 
OPTIONS:
- William had two planned children to care for.
- Derrick had two planned children to care for.

[A]: Derrick had two planned children to care for.
QUES: Continue writing.

We didn't get much sleep not because of the alarm but because of the siren since the 

OPTIONS:
- alarm was loud.
- siren was loud.
+++++++++
ANS: siren was loud.
Problem: How does the sentence end?

The car's tires were unable to navigate the driveway of the property, thanks to the 
OPTIONS:
- driveway being too flat.
- tires being too flat.
Answer: tires being too flat.
sentence: Unlike the shy Amy, Monica was an extrovert,  so  OPTIONS:
- Amy dreaded attending the big party.
- Monica dreaded attending the big party.
complete:
Amy dreaded attending the big party.