Problem: How does the sentence end?

Handling emergencies was never very difficult for Kevin but it was for Nelson because 
OPTIONS:
- Kevin wasn't able to remain calm under pressure.
- Nelson wasn't able to remain calm under pressure.
Answer: Nelson wasn't able to remain calm under pressure.

Problem: How does the sentence end?

Felicia drove a car to work while Sarah rode a bike because 
OPTIONS:
- Felicia lived very near to their workplace.
- Sarah lived very near to their workplace.
Answer: Sarah lived very near to their workplace.

Problem: How does the sentence end?

Felicia would make toys for their kids while Samantha would buy them since 
OPTIONS:
- Felicia is poorer.
- Samantha is poorer.
Answer: Felicia is poorer.

Problem: How does the sentence end?

Igor tried to put the soccer ball in the tube, but the 
OPTIONS:
- ball was too narrow for it to go in.
- tube was too narrow for it to go in.
Answer:
tube was too narrow for it to go in.