Problem: How does the sentence end?

Erin liked holding the hamster more than Rachel did because 
OPTIONS:
- Erin was scared of rodents.
- Rachel was scared of rodents.
Answer: Rachel was scared of rodents.

Problem: How does the sentence end?

Rebecca allowed Erin to put something different on, because 
OPTIONS:
- Rebecca preferred more simple music.
- Erin preferred more simple music.
Answer: Erin preferred more simple music.

Problem: How does the sentence end?

The seamstress needed to hem the jeans of Katrina but not Lindsey because 
OPTIONS:
- Katrina was very tall.
- Lindsey was very tall.
Answer: Lindsey was very tall.

Problem: How does the sentence end?

The woman took the backpack instead of the duffle bag on the trip, because the 
OPTIONS:
- backpack was more comfortable to carry.
- duffle bag was more comfortable to carry.
Answer:
backpack was more comfortable to carry.