Problem: How does the sentence end?

Christine went to the store and bought two more coats unlike Natalie because 
OPTIONS:
- Christine lives in a hot area.
- Natalie lives in a hot area.
Answer: Natalie lives in a hot area.
sentence: Aaron is better at working with software when compared to Joseph because  OPTIONS:
- Aaron works as a software engineer.
- Joseph works as a software engineer.
complete: Aaron works as a software engineer.
Katrina but not Megan had to be rushed to the hospital because 
OPTIONS:
- Katrina did not have an allergic reaction to the paint.
- Megan did not have an allergic reaction to the paint.
Megan did not have an allergic reaction to the paint.
Input: Continue writing.

Monica had to help Sarah make a sign on Minecraft because 
OPTIONS:
- Monica had no experience making them before.
- Sarah had no experience making them before.

Continued: Sarah had no experience making them before.
Story needs to be completed:
When Cynthia left the house with the oven on, Tanya turned it off; then 
OPTIONS:
- Cynthia yelled because it had cooled down.
- Tanya yelled because it had cooled down.

My choice:
Cynthia yelled because it had cooled down.
Problem: How does the sentence end?

Since Cynthia broke their ankle yesterday and Samantha's leg had fully healed, 
OPTIONS:
- Cynthia needed to use crutches to move around.
- Samantha needed to use crutches to move around.
Answer:
Cynthia needed to use crutches to move around.