Problem: How does the sentence end?

Rebecca had a and easier time skiing when Angela guided her, as 
OPTIONS:
- Rebecca was very confident of herself on the trails.
- Angela was very confident of herself on the trails.
Answer: Angela was very confident of herself on the trails.

Problem: How does the sentence end?

Natalie never checks the air in the tires while Tanya does and you just knew 
OPTIONS:
- Natalie would have full tires.
- Tanya would have full tires.
Answer: Tanya would have full tires.

Problem: How does the sentence end?

Nick needed a splint on their arm but not Michael because 
OPTIONS:
- Nick had a broken arm.
- Michael had a broken arm.
Answer: Nick had a broken arm.

Problem: How does the sentence end?

Neil watered Logan's new plant while he was out of town and 
OPTIONS:
- Neil asked him for payment.
- Logan asked him for payment.
Answer:
Neil asked him for payment.