Problem: How does the sentence end?

Kevin was a very healthy individual compared to Donald, because 
OPTIONS:
- Kevin went the fitness center daily.
- Donald went the fitness center daily.
Answer: Kevin went the fitness center daily.
sentence: Jeffrey buys a live Christmas tree, while Hunter uses a fake one, so  OPTIONS:
- Jeffrey has to water his tree.
- Hunter has to water his tree.
complete: Jeffrey has to water his tree.
The woman tried to fit her legs into the yoga pants but the 
OPTIONS:
- legs were too large.
- pants were too large.
legs were too large.
Input: Continue writing.

It was harder for Eric to keep a job than it was for William because 
OPTIONS:
- Eric was a better worker.
- William was a better worker.

Continued: William was a better worker.
Story needs to be completed:
When Megan put on the costume, Katrina farted, so 
OPTIONS:
- Megan felt embarrassed and ran away.
- Katrina felt embarrassed and ran away.

My choice:
Katrina felt embarrassed and ran away.
Problem: How does the sentence end?

Jennifer was trained to be able to safely deliver Samantha's infant son, because 
OPTIONS:
- Jennifer was pregnant.
- Samantha was pregnant.
Answer:
Samantha was pregnant.