Problem: How does the sentence end?

Mary bought a brand new leather couch, whereas Emily didn't, since 
OPTIONS:
- Mary loves the smell of leather.
- Emily loves the smell of leather.
Answer: Mary loves the smell of leather.

Problem: How does the sentence end?

Neil lived a healthy lifestyle and tried to teach their methods to Samuel, because 
OPTIONS:
- Neil wanted to have a fresh start.
- Samuel wanted to have a fresh start.
Answer: Samuel wanted to have a fresh start.

Problem: How does the sentence end?

For his road trip, Ariana made sure that she had a spare tire and some duct tape. The 
OPTIONS:
- spare tire was for in case of a sudden leak.
- duct tape was for in case of a sudden leak.
Answer: duct tape was for in case of a sudden leak.

Problem: How does the sentence end?

Eating zucchini bread was a treat for Aaron but not Ian since 
OPTIONS:
- Aaron ate it all the time.
- Ian ate it all the time.
Answer:
Ian ate it all the time.