Problem: How does the sentence end?

Mary bought a brand new leather couch, whereas Emily didn't, since 
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 
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 
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 
Answer:
Ian ate it all the time.