Problem: How does the sentence end?

Angela had a more difficult time writing poetry than Rachel, as 
OPTIONS:
- Angela was very unoriginal.
- Rachel was very unoriginal.
Answer: Angela was very unoriginal.

Problem: How does the sentence end?

Felicia hit Tanya's car so 
OPTIONS:
- Felicia offered to paint the bumper because it was the right thing to do.
- Tanya offered to paint the bumper because it was the right thing to do.
Answer: Felicia offered to paint the bumper because it was the right thing to do.

Problem: How does the sentence end?

I prefer to talk into the megaphone over the microphone even though the 
OPTIONS:
- microphone gives worse sound.
- megaphone gives worse sound.
Answer: megaphone gives worse sound.

Problem: How does the sentence end?

Angela gave Samantha plenty of business advice, since 
OPTIONS:
- Angela had so little experience with company growth.
- Samantha had so little experience with company growth.
Answer:
Samantha had so little experience with company growth.