Problem: How does the sentence end?

The forever stamps that Ryan had were far prettier than the ones William had and 
OPTIONS:
- Ryan offered to share them.
- William offered to share them.
Answer: Ryan offered to share them.

Problem: How does the sentence end?

Because Samuel bought a new computer while Ian bought a used one, the computer of 
OPTIONS:
- Samuel was faster and more up to date.
- Ian was faster and more up to date.
Answer: Samuel was faster and more up to date.

Problem: How does the sentence end?

Tanya didn't get accepted by the college of her choice while Christine did, since 
OPTIONS:
- Tanya had a low SAT score.
- Christine had a low SAT score.
Answer: Tanya had a low SAT score.

Problem: How does the sentence end?

When practicing fighting Neil was more flexible than Adam and 
OPTIONS:
- Neil was steady on his feet.
- Adam was steady on his feet.
Answer:
Neil was steady on his feet.