Problem: How does the sentence end?

Nick is bad at writing letters, but William is great at them. This is due to 
OPTIONS:
- Nick preferring English class.
- William preferring English class.
Answer: William preferring English class.

Problem: How does the sentence end?

Christine loved to burn candles but Victoria hated it. 
OPTIONS:
- Christine suffered badly from scent sensitivity.
- Victoria suffered badly from scent sensitivity.
Answer: Victoria suffered badly from scent sensitivity.

Problem: How does the sentence end?

James cannot prune the apex branch with that ax because the 
OPTIONS:
- ax is too short.
- branch is too short.
Answer: ax is too short.

Problem: How does the sentence end?

Peggy filled the bathtub with hot water and bubbles but not salts, because the 
OPTIONS:
- salts smelled good.
- bubbles smelled good.
Answer:
bubbles smelled good.