Problem: How does the sentence end?

Joseph tried to help Randy get mentally prepared for the marathon when 
OPTIONS:
- Joseph gave them advice.
- Randy gave them advice.
Answer: Joseph gave them advice.
sentence: After viewing the advertisement designed by Samantha, Kayla wanted to buy the product because  OPTIONS:
- Samantha was persuasive.
- Kayla was persuasive.
complete: Samantha was persuasive.
Megan fed the baby carrot flavored formula to Amy, so 
OPTIONS:
- Megan is being a caring parent.
- Amy is being a caring parent.
Megan is being a caring parent.
Input: Continue writing.

Brendan replaced his freshwater tank with a salt water aquarium, because the 
OPTIONS:
- freshwater tank was old.
- salt water aquarium was old.

Continued: freshwater tank was old.
Story needs to be completed:
The cross was moved from the roadside to the hill because the 
OPTIONS:
- roadside was distant from speeding traffic.
- hill was distant from speeding traffic.

My choice:
hill was distant from speeding traffic.
Problem: How does the sentence end?

Billie wanted to refresh her bedroom and decided to buy a new desk instead of a dresser because the 
OPTIONS:
- desk was something unnecessary to replace.
- dresser was something unnecessary to replace.
Answer:
dresser was something unnecessary to replace.