Problem: How does the sentence end?

Katrina's car uses ethanol, while Laura drives a traditional vehicle, so 
OPTIONS:
- Katrina probably cares about the environment more.
- Laura probably cares about the environment more.
Answer: Katrina probably cares about the environment more.
sentence: The jeweler tried to keep the emerald in the safe but the  OPTIONS:
- emerald was too large.
- safe was too large.
complete: emerald was too large.
Joseph got their homework done with ease while Leslie kept running into obstacles, so 
OPTIONS:
- Joseph took a short time to get theirs done.
- Leslie took a short time to get theirs done.
Joseph took a short time to get theirs done.
Input: Continue writing.

Jeffrey lived his life with no fears while Brian had fears, because 
OPTIONS:
- Jeffrey was always anxious and scared.
- Brian was always anxious and scared.

Continued: Brian was always anxious and scared.
Story needs to be completed:
Kevin regularly made fun of Lawrence, so 
OPTIONS:
- Kevin was bored during the week he was off school.
- Lawrence was bored during the week he was off school.

My choice:
Kevin was bored during the week he was off school.
Problem: How does the sentence end?

Katrina has a more refined taste in music than Jessica because 
OPTIONS:
- Katrina is a unrefined person.
- Jessica is a unrefined person.
Answer:
Jessica is a unrefined person.